Home / 82,109.55-113,156.35-59,410.11

Finding the Fourth Proportional to 82,109.55, 113,156.35 and 59,410.11

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Solution

The fourth proportional to 82,109.55, 113,156.35 and 59,410.11 is: 81,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,109.55 : 113,156.35 = 59,410.11 : x
  2. Step 2: Convert to fraction form
    82,109.55/113,156.35 = 59,410.11/x
  3. Step 3: Cross multiply
    82,109.55x = 113,156.35 × 59,410.11
  4. Step 4: Simplify right side
    82,109.55x = 6,722,631,052.17
  5. Step 5: Solve for x
    x = 6,722,631,052.17/82,109.55
  6. Step 6: Final answer
    x = 81,873.92

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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.