Home / 90,025.29-124,237.46-49,741.70

Finding the Fourth Proportional to 90,025.29, 124,237.46 and 49,741.70

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Solution

The fourth proportional to 90,025.29, 124,237.46 and 49,741.70 is: 68,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025.29 : 124,237.46 = 49,741.70 : x
  2. Step 2: Convert to fraction form
    90,025.29/124,237.46 = 49,741.70/x
  3. Step 3: Cross multiply
    90,025.29x = 124,237.46 × 49,741.70
  4. Step 4: Simplify right side
    90,025.29x = 6,179,781,967.25
  5. Step 5: Solve for x
    x = 6,179,781,967.25/90,025.29
  6. Step 6: Final answer
    x = 68,644.95

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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.