Home / 106,125.39-146,451.98-58,378.79

Finding the Fourth Proportional to 106,125.39, 146,451.98 and 58,378.79

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Solution

The fourth proportional to 106,125.39, 146,451.98 and 58,378.79 is: 80,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,125.39 : 146,451.98 = 58,378.79 : x
  2. Step 2: Convert to fraction form
    106,125.39/146,451.98 = 58,378.79/x
  3. Step 3: Cross multiply
    106,125.39x = 146,451.98 × 58,378.79
  4. Step 4: Simplify right side
    106,125.39x = 8,549,689,897.58
  5. Step 5: Solve for x
    x = 8,549,689,897.58/106,125.39
  6. Step 6: Final answer
    x = 80,562.15

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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.