Home / 96,969.72-145,454.61-30,415.05

Finding the Fourth Proportional to 96,969.72, 145,454.61 and 30,415.05

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Solution

The fourth proportional to 96,969.72, 145,454.61 and 30,415.05 is: 45,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,969.72 : 145,454.61 = 30,415.05 : x
  2. Step 2: Convert to fraction form
    96,969.72/145,454.61 = 30,415.05/x
  3. Step 3: Cross multiply
    96,969.72x = 145,454.61 × 30,415.05
  4. Step 4: Simplify right side
    96,969.72x = 4,424,009,235.88
  5. Step 5: Solve for x
    x = 4,424,009,235.88/96,969.72
  6. Step 6: Final answer
    x = 45,622.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.