Home / 106,748.46-147,320.49-59,000.79

Finding the Fourth Proportional to 106,748.46, 147,320.49 and 59,000.79

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Solution

The fourth proportional to 106,748.46, 147,320.49 and 59,000.79 is: 81,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,748.46 : 147,320.49 = 59,000.79 : x
  2. Step 2: Convert to fraction form
    106,748.46/147,320.49 = 59,000.79/x
  3. Step 3: Cross multiply
    106,748.46x = 147,320.49 × 59,000.79
  4. Step 4: Simplify right side
    106,748.46x = 8,692,025,293.19
  5. Step 5: Solve for x
    x = 8,692,025,293.19/106,748.46
  6. Step 6: Final answer
    x = 81,425.30

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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.