Home / 90,746.43-125,233.13-49,913.71

Finding the Fourth Proportional to 90,746.43, 125,233.13 and 49,913.71

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Solution

The fourth proportional to 90,746.43, 125,233.13 and 49,913.71 is: 68,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.43 : 125,233.13 = 49,913.71 : x
  2. Step 2: Convert to fraction form
    90,746.43/125,233.13 = 49,913.71/x
  3. Step 3: Cross multiply
    90,746.43x = 125,233.13 × 49,913.71
  4. Step 4: Simplify right side
    90,746.43x = 6,250,849,898.96
  5. Step 5: Solve for x
    x = 6,250,849,898.96/90,746.43
  6. Step 6: Final answer
    x = 68,882.60

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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.