Home / 82,059.12-113,177.16-59,401.44

Finding the Fourth Proportional to 82,059.12, 113,177.16 and 59,401.44

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Solution

The fourth proportional to 82,059.12, 113,177.16 and 59,401.44 is: 81,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,059.12 : 113,177.16 = 59,401.44 : x
  2. Step 2: Convert to fraction form
    82,059.12/113,177.16 = 59,401.44/x
  3. Step 3: Cross multiply
    82,059.12x = 113,177.16 × 59,401.44
  4. Step 4: Simplify right side
    82,059.12x = 6,722,886,279.11
  5. Step 5: Solve for x
    x = 6,722,886,279.11/82,059.12
  6. Step 6: Final answer
    x = 81,927.35

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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.