Home / 94,640.24-141,785.40-47,781.20

Finding the Fourth Proportional to 94,640.24, 141,785.40 and 47,781.20

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Solution

The fourth proportional to 94,640.24, 141,785.40 and 47,781.20 is: 71,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,640.24 : 141,785.40 = 47,781.20 : x
  2. Step 2: Convert to fraction form
    94,640.24/141,785.40 = 47,781.20/x
  3. Step 3: Cross multiply
    94,640.24x = 141,785.40 × 47,781.20
  4. Step 4: Simplify right side
    94,640.24x = 6,774,676,554.48
  5. Step 5: Solve for x
    x = 6,774,676,554.48/94,640.24
  6. Step 6: Final answer
    x = 71,583.47

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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.