Home / 90,333.12-124,673.92-51,571.04

Finding the Fourth Proportional to 90,333.12, 124,673.92 and 51,571.04

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Solution

The fourth proportional to 90,333.12, 124,673.92 and 51,571.04 is: 71,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,333.12 : 124,673.92 = 51,571.04 : x
  2. Step 2: Convert to fraction form
    90,333.12/124,673.92 = 51,571.04/x
  3. Step 3: Cross multiply
    90,333.12x = 124,673.92 × 51,571.04
  4. Step 4: Simplify right side
    90,333.12x = 6,429,563,715.28
  5. Step 5: Solve for x
    x = 6,429,563,715.28/90,333.12
  6. Step 6: Final answer
    x = 71,176.15

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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.