Home / 90,226.13-124,510.50-49,939.01

Finding the Fourth Proportional to 90,226.13, 124,510.50 and 49,939.01

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Solution

The fourth proportional to 90,226.13, 124,510.50 and 49,939.01 is: 68,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.13 : 124,510.50 = 49,939.01 : x
  2. Step 2: Convert to fraction form
    90,226.13/124,510.50 = 49,939.01/x
  3. Step 3: Cross multiply
    90,226.13x = 124,510.50 × 49,939.01
  4. Step 4: Simplify right side
    90,226.13x = 6,217,930,809.46
  5. Step 5: Solve for x
    x = 6,217,930,809.46/90,226.13
  6. Step 6: Final answer
    x = 68,914.97

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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.