Home / 72,366.28-99,899.67-48,508.54

Finding the Fourth Proportional to 72,366.28, 99,899.67 and 48,508.54

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Solution

The fourth proportional to 72,366.28, 99,899.67 and 48,508.54 is: 66,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366.28 : 99,899.67 = 48,508.54 : x
  2. Step 2: Convert to fraction form
    72,366.28/99,899.67 = 48,508.54/x
  3. Step 3: Cross multiply
    72,366.28x = 99,899.67 × 48,508.54
  4. Step 4: Simplify right side
    72,366.28x = 4,845,987,138.18
  5. Step 5: Solve for x
    x = 4,845,987,138.18/72,366.28
  6. Step 6: Final answer
    x = 66,964.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.