Home / 52,020.28-77,997.52-28,663.12

Finding the Fourth Proportional to 52,020.28, 77,997.52 and 28,663.12

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Solution

The fourth proportional to 52,020.28, 77,997.52 and 28,663.12 is: 42,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.28 : 77,997.52 = 28,663.12 : x
  2. Step 2: Convert to fraction form
    52,020.28/77,997.52 = 28,663.12/x
  3. Step 3: Cross multiply
    52,020.28x = 77,997.52 × 28,663.12
  4. Step 4: Simplify right side
    52,020.28x = 2,235,652,275.46
  5. Step 5: Solve for x
    x = 2,235,652,275.46/52,020.28
  6. Step 6: Final answer
    x = 42,976.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.