Home / 90,253.76-124,552.20-49,421.76

Finding the Fourth Proportional to 90,253.76, 124,552.20 and 49,421.76

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Solution

The fourth proportional to 90,253.76, 124,552.20 and 49,421.76 is: 68,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,253.76 : 124,552.20 = 49,421.76 : x
  2. Step 2: Convert to fraction form
    90,253.76/124,552.20 = 49,421.76/x
  3. Step 3: Cross multiply
    90,253.76x = 124,552.20 × 49,421.76
  4. Step 4: Simplify right side
    90,253.76x = 6,155,588,935.87
  5. Step 5: Solve for x
    x = 6,155,588,935.87/90,253.76
  6. Step 6: Final answer
    x = 68,203.13

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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.