Home / 90,248.76-124,545.30-49,416.75

Finding the Fourth Proportional to 90,248.76, 124,545.30 and 49,416.75

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Solution

The fourth proportional to 90,248.76, 124,545.30 and 49,416.75 is: 68,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,248.76 : 124,545.30 = 49,416.75 : x
  2. Step 2: Convert to fraction form
    90,248.76/124,545.30 = 49,416.75/x
  3. Step 3: Cross multiply
    90,248.76x = 124,545.30 × 49,416.75
  4. Step 4: Simplify right side
    90,248.76x = 6,154,623,953.78
  5. Step 5: Solve for x
    x = 6,154,623,953.78/90,248.76
  6. Step 6: Final answer
    x = 68,196.22

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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.