Home / 90,081.42-124,306.95-49,792.77

Finding the Fourth Proportional to 90,081.42, 124,306.95 and 49,792.77

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Solution

The fourth proportional to 90,081.42, 124,306.95 and 49,792.77 is: 68,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081.42 : 124,306.95 = 49,792.77 : x
  2. Step 2: Convert to fraction form
    90,081.42/124,306.95 = 49,792.77/x
  3. Step 3: Cross multiply
    90,081.42x = 124,306.95 × 49,792.77
  4. Step 4: Simplify right side
    90,081.42x = 6,189,587,370.75
  5. Step 5: Solve for x
    x = 6,189,587,370.75/90,081.42
  6. Step 6: Final answer
    x = 68,711.03

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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.