Home / 107,171.55-147,889.53-59,423.13

Finding the Fourth Proportional to 107,171.55, 147,889.53 and 59,423.13

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Solution

The fourth proportional to 107,171.55, 147,889.53 and 59,423.13 is: 81,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.55 : 147,889.53 = 59,423.13 : x
  2. Step 2: Convert to fraction form
    107,171.55/147,889.53 = 59,423.13/x
  3. Step 3: Cross multiply
    107,171.55x = 147,889.53 × 59,423.13
  4. Step 4: Simplify right side
    107,171.55x = 8,788,058,766.83
  5. Step 5: Solve for x
    x = 8,788,058,766.83/107,171.55
  6. Step 6: Final answer
    x = 81,999.92

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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.