Home / 101,847.13-140,565.92-59,405.65

Finding the Fourth Proportional to 101,847.13, 140,565.92 and 59,405.65

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Solution

The fourth proportional to 101,847.13, 140,565.92 and 59,405.65 is: 81,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.13 : 140,565.92 = 59,405.65 : x
  2. Step 2: Convert to fraction form
    101,847.13/140,565.92 = 59,405.65/x
  3. Step 3: Cross multiply
    101,847.13x = 140,565.92 × 59,405.65
  4. Step 4: Simplify right side
    101,847.13x = 8,350,409,197.00
  5. Step 5: Solve for x
    x = 8,350,409,197.00/101,847.13
  6. Step 6: Final answer
    x = 81,989.64

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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.