Home / 90,013.14-124,209.90-49,726.08

Finding the Fourth Proportional to 90,013.14, 124,209.90 and 49,726.08

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Solution

The fourth proportional to 90,013.14, 124,209.90 and 49,726.08 is: 68,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,013.14 : 124,209.90 = 49,726.08 : x
  2. Step 2: Convert to fraction form
    90,013.14/124,209.90 = 49,726.08/x
  3. Step 3: Cross multiply
    90,013.14x = 124,209.90 × 49,726.08
  4. Step 4: Simplify right side
    90,013.14x = 6,176,471,424.19
  5. Step 5: Solve for x
    x = 6,176,471,424.19/90,013.14
  6. Step 6: Final answer
    x = 68,617.44

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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.