Home / 106,857.29-147,463.20-59,113.87

Finding the Fourth Proportional to 106,857.29, 147,463.20 and 59,113.87

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Solution

The fourth proportional to 106,857.29, 147,463.20 and 59,113.87 is: 81,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857.29 : 147,463.20 = 59,113.87 : x
  2. Step 2: Convert to fraction form
    106,857.29/147,463.20 = 59,113.87/x
  3. Step 3: Cross multiply
    106,857.29x = 147,463.20 × 59,113.87
  4. Step 4: Simplify right side
    106,857.29x = 8,717,120,065.93
  5. Step 5: Solve for x
    x = 8,717,120,065.93/106,857.29
  6. Step 6: Final answer
    x = 81,577.21

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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.