Home / 90,520.86-124,920.14-50,237.22

Finding the Fourth Proportional to 90,520.86, 124,920.14 and 50,237.22

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Solution

The fourth proportional to 90,520.86, 124,920.14 and 50,237.22 is: 69,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520.86 : 124,920.14 = 50,237.22 : x
  2. Step 2: Convert to fraction form
    90,520.86/124,920.14 = 50,237.22/x
  3. Step 3: Cross multiply
    90,520.86x = 124,920.14 × 50,237.22
  4. Step 4: Simplify right side
    90,520.86x = 6,275,640,304.42
  5. Step 5: Solve for x
    x = 6,275,640,304.42/90,520.86
  6. Step 6: Final answer
    x = 69,328.11

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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.