Home / 106,729.78-147,287.56-58,332.69

Finding the Fourth Proportional to 106,729.78, 147,287.56 and 58,332.69

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Solution

The fourth proportional to 106,729.78, 147,287.56 and 58,332.69 is: 80,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.78 : 147,287.56 = 58,332.69 : x
  2. Step 2: Convert to fraction form
    106,729.78/147,287.56 = 58,332.69/x
  3. Step 3: Cross multiply
    106,729.78x = 147,287.56 × 58,332.69
  4. Step 4: Simplify right side
    106,729.78x = 8,591,679,578.34
  5. Step 5: Solve for x
    x = 8,591,679,578.34/106,729.78
  6. Step 6: Final answer
    x = 80,499.37

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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.