Home / 106,617.48-147,132.12-58,870.92

Finding the Fourth Proportional to 106,617.48, 147,132.12 and 58,870.92

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Solution

The fourth proportional to 106,617.48, 147,132.12 and 58,870.92 is: 81,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,617.48 : 147,132.12 = 58,870.92 : x
  2. Step 2: Convert to fraction form
    106,617.48/147,132.12 = 58,870.92/x
  3. Step 3: Cross multiply
    106,617.48x = 147,132.12 × 58,870.92
  4. Step 4: Simplify right side
    106,617.48x = 8,661,803,265.95
  5. Step 5: Solve for x
    x = 8,661,803,265.95/106,617.48
  6. Step 6: Final answer
    x = 81,241.87

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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.