Home / 74,691.28-103,079.06-45,632.08

Finding the Fourth Proportional to 74,691.28, 103,079.06 and 45,632.08

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Solution

The fourth proportional to 74,691.28, 103,079.06 and 45,632.08 is: 62,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.28 : 103,079.06 = 45,632.08 : x
  2. Step 2: Convert to fraction form
    74,691.28/103,079.06 = 45,632.08/x
  3. Step 3: Cross multiply
    74,691.28x = 103,079.06 × 45,632.08
  4. Step 4: Simplify right side
    74,691.28x = 4,703,711,912.24
  5. Step 5: Solve for x
    x = 4,703,711,912.24/74,691.28
  6. Step 6: Final answer
    x = 62,975.38

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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.