Home / 106,449.60-146,901.45-58,701.72

Finding the Fourth Proportional to 106,449.60, 146,901.45 and 58,701.72

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Solution

The fourth proportional to 106,449.60, 146,901.45 and 58,701.72 is: 81,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,449.60 : 146,901.45 = 58,701.72 : x
  2. Step 2: Convert to fraction form
    106,449.60/146,901.45 = 58,701.72/x
  3. Step 3: Cross multiply
    106,449.60x = 146,901.45 × 58,701.72
  4. Step 4: Simplify right side
    106,449.60x = 8,623,367,785.49
  5. Step 5: Solve for x
    x = 8,623,367,785.49/106,449.60
  6. Step 6: Final answer
    x = 81,008.93

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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.