Home / 106,747.47-147,311.54-59,000.82

Finding the Fourth Proportional to 106,747.47, 147,311.54 and 59,000.82

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Solution

The fourth proportional to 106,747.47, 147,311.54 and 59,000.82 is: 81,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.47 : 147,311.54 = 59,000.82 : x
  2. Step 2: Convert to fraction form
    106,747.47/147,311.54 = 59,000.82/x
  3. Step 3: Cross multiply
    106,747.47x = 147,311.54 × 59,000.82
  4. Step 4: Simplify right side
    106,747.47x = 8,691,501,360.46
  5. Step 5: Solve for x
    x = 8,691,501,360.46/106,747.47
  6. Step 6: Final answer
    x = 81,421.15

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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.