Home / 106,999.13-147,697.68-62,287.13

Finding the Fourth Proportional to 106,999.13, 147,697.68 and 62,287.13

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Solution

The fourth proportional to 106,999.13, 147,697.68 and 62,287.13 is: 85,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.13 : 147,697.68 = 62,287.13 : x
  2. Step 2: Convert to fraction form
    106,999.13/147,697.68 = 62,287.13/x
  3. Step 3: Cross multiply
    106,999.13x = 147,697.68 × 62,287.13
  4. Step 4: Simplify right side
    106,999.13x = 9,199,663,856.37
  5. Step 5: Solve for x
    x = 9,199,663,856.37/106,999.13
  6. Step 6: Final answer
    x = 85,978.87

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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.