Home / 90,099.19-124,337.19-49,264.12

Finding the Fourth Proportional to 90,099.19, 124,337.19 and 49,264.12

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Solution

The fourth proportional to 90,099.19, 124,337.19 and 49,264.12 is: 67,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,099.19 : 124,337.19 = 49,264.12 : x
  2. Step 2: Convert to fraction form
    90,099.19/124,337.19 = 49,264.12/x
  3. Step 3: Cross multiply
    90,099.19x = 124,337.19 × 49,264.12
  4. Step 4: Simplify right side
    90,099.19x = 6,125,362,248.62
  5. Step 5: Solve for x
    x = 6,125,362,248.62/90,099.19
  6. Step 6: Final answer
    x = 67,984.65

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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.