Home / 91,107.96-125,732.10-52,864.56

Finding the Fourth Proportional to 91,107.96, 125,732.10 and 52,864.56

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Solution

The fourth proportional to 91,107.96, 125,732.10 and 52,864.56 is: 72,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,107.96 : 125,732.10 = 52,864.56 : x
  2. Step 2: Convert to fraction form
    91,107.96/125,732.10 = 52,864.56/x
  3. Step 3: Cross multiply
    91,107.96x = 125,732.10 × 52,864.56
  4. Step 4: Simplify right side
    91,107.96x = 6,646,772,144.38
  5. Step 5: Solve for x
    x = 6,646,772,144.38/91,107.96
  6. Step 6: Final answer
    x = 72,954.90

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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.