Home / 74,223.64-102,417.48-42,385.80

Finding the Fourth Proportional to 74,223.64, 102,417.48 and 42,385.80

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Solution

The fourth proportional to 74,223.64, 102,417.48 and 42,385.80 is: 58,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.64 : 102,417.48 = 42,385.80 : x
  2. Step 2: Convert to fraction form
    74,223.64/102,417.48 = 42,385.80/x
  3. Step 3: Cross multiply
    74,223.64x = 102,417.48 × 42,385.80
  4. Step 4: Simplify right side
    74,223.64x = 4,341,046,823.78
  5. Step 5: Solve for x
    x = 4,341,046,823.78/74,223.64
  6. Step 6: Final answer
    x = 58,486.04

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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.