Home / 107,129.10-147,848.76-59,391.68

Finding the Fourth Proportional to 107,129.10, 147,848.76 and 59,391.68

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Solution

The fourth proportional to 107,129.10, 147,848.76 and 59,391.68 is: 81,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,129.10 : 147,848.76 = 59,391.68 : x
  2. Step 2: Convert to fraction form
    107,129.10/147,848.76 = 59,391.68/x
  3. Step 3: Cross multiply
    107,129.10x = 147,848.76 × 59,391.68
  4. Step 4: Simplify right side
    107,129.10x = 8,780,986,242.32
  5. Step 5: Solve for x
    x = 8,780,986,242.32/107,129.10
  6. Step 6: Final answer
    x = 81,966.40

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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.