Home / 82,889.25-124,385.31-30,303.24

Finding the Fourth Proportional to 82,889.25, 124,385.31 and 30,303.24

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Solution

The fourth proportional to 82,889.25, 124,385.31 and 30,303.24 is: 45,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,889.25 : 124,385.31 = 30,303.24 : x
  2. Step 2: Convert to fraction form
    82,889.25/124,385.31 = 30,303.24/x
  3. Step 3: Cross multiply
    82,889.25x = 124,385.31 × 30,303.24
  4. Step 4: Simplify right side
    82,889.25x = 3,769,277,901.40
  5. Step 5: Solve for x
    x = 3,769,277,901.40/82,889.25
  6. Step 6: Final answer
    x = 45,473.66

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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.