Home / 90,073.75-124,302.27-49,237.94

Finding the Fourth Proportional to 90,073.75, 124,302.27 and 49,237.94

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Solution

The fourth proportional to 90,073.75, 124,302.27 and 49,237.94 is: 67,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073.75 : 124,302.27 = 49,237.94 : x
  2. Step 2: Convert to fraction form
    90,073.75/124,302.27 = 49,237.94/x
  3. Step 3: Cross multiply
    90,073.75x = 124,302.27 × 49,237.94
  4. Step 4: Simplify right side
    90,073.75x = 6,120,387,712.12
  5. Step 5: Solve for x
    x = 6,120,387,712.12/90,073.75
  6. Step 6: Final answer
    x = 67,948.63

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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.