Home / 90,854.20-125,325.65-59,044.28

Finding the Fourth Proportional to 90,854.20, 125,325.65 and 59,044.28

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Solution

The fourth proportional to 90,854.20, 125,325.65 and 59,044.28 is: 81,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,854.20 : 125,325.65 = 59,044.28 : x
  2. Step 2: Convert to fraction form
    90,854.20/125,325.65 = 59,044.28/x
  3. Step 3: Cross multiply
    90,854.20x = 125,325.65 × 59,044.28
  4. Step 4: Simplify right side
    90,854.20x = 7,399,762,474.56
  5. Step 5: Solve for x
    x = 7,399,762,474.56/90,854.20
  6. Step 6: Final answer
    x = 81,446.57

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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.