Home / 107,133.28-147,845.16-59,387.44

Finding the Fourth Proportional to 107,133.28, 147,845.16 and 59,387.44

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Solution

The fourth proportional to 107,133.28, 147,845.16 and 59,387.44 is: 81,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.28 : 147,845.16 = 59,387.44 : x
  2. Step 2: Convert to fraction form
    107,133.28/147,845.16 = 59,387.44/x
  3. Step 3: Cross multiply
    107,133.28x = 147,845.16 × 59,387.44
  4. Step 4: Simplify right side
    107,133.28x = 8,780,145,568.79
  5. Step 5: Solve for x
    x = 8,780,145,568.79/107,133.28
  6. Step 6: Final answer
    x = 81,955.35

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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.