Home / 90,334.85-124,657.89-49,498.73

Finding the Fourth Proportional to 90,334.85, 124,657.89 and 49,498.73

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Solution

The fourth proportional to 90,334.85, 124,657.89 and 49,498.73 is: 68,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.85 : 124,657.89 = 49,498.73 : x
  2. Step 2: Convert to fraction form
    90,334.85/124,657.89 = 49,498.73/x
  3. Step 3: Cross multiply
    90,334.85x = 124,657.89 × 49,498.73
  4. Step 4: Simplify right side
    90,334.85x = 6,170,406,898.04
  5. Step 5: Solve for x
    x = 6,170,406,898.04/90,334.85
  6. Step 6: Final answer
    x = 68,305.94

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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.