Home / 107,140.32-147,847.86-59,390.82

Finding the Fourth Proportional to 107,140.32, 147,847.86 and 59,390.82

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Solution

The fourth proportional to 107,140.32, 147,847.86 and 59,390.82 is: 81,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.32 : 147,847.86 = 59,390.82 : x
  2. Step 2: Convert to fraction form
    107,140.32/147,847.86 = 59,390.82/x
  3. Step 3: Cross multiply
    107,140.32x = 147,847.86 × 59,390.82
  4. Step 4: Simplify right side
    107,140.32x = 8,780,805,640.65
  5. Step 5: Solve for x
    x = 8,780,805,640.65/107,140.32
  6. Step 6: Final answer
    x = 81,956.13

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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.