Home / 90,578.04-124,999.16-50,294.40

Finding the Fourth Proportional to 90,578.04, 124,999.16 and 50,294.40

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Solution

The fourth proportional to 90,578.04, 124,999.16 and 50,294.40 is: 69,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,578.04 : 124,999.16 = 50,294.40 : x
  2. Step 2: Convert to fraction form
    90,578.04/124,999.16 = 50,294.40/x
  3. Step 3: Cross multiply
    90,578.04x = 124,999.16 × 50,294.40
  4. Step 4: Simplify right side
    90,578.04x = 6,286,757,752.70
  5. Step 5: Solve for x
    x = 6,286,757,752.70/90,578.04
  6. Step 6: Final answer
    x = 69,407.09

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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.