Home / 81,596.38-112,614.74-45,306.16

Finding the Fourth Proportional to 81,596.38, 112,614.74 and 45,306.16

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Solution

The fourth proportional to 81,596.38, 112,614.74 and 45,306.16 is: 62,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,596.38 : 112,614.74 = 45,306.16 : x
  2. Step 2: Convert to fraction form
    81,596.38/112,614.74 = 45,306.16/x
  3. Step 3: Cross multiply
    81,596.38x = 112,614.74 × 45,306.16
  4. Step 4: Simplify right side
    81,596.38x = 5,102,141,428.80
  5. Step 5: Solve for x
    x = 5,102,141,428.80/81,596.38
  6. Step 6: Final answer
    x = 62,529.02

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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.