Home / 106,760.64-147,328.92-59,013.12

Finding the Fourth Proportional to 106,760.64, 147,328.92 and 59,013.12

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Solution

The fourth proportional to 106,760.64, 147,328.92 and 59,013.12 is: 81,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,760.64 : 147,328.92 = 59,013.12 : x
  2. Step 2: Convert to fraction form
    106,760.64/147,328.92 = 59,013.12/x
  3. Step 3: Cross multiply
    106,760.64x = 147,328.92 × 59,013.12
  4. Step 4: Simplify right side
    106,760.64x = 8,694,339,235.43
  5. Step 5: Solve for x
    x = 8,694,339,235.43/106,760.64
  6. Step 6: Final answer
    x = 81,437.68

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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.