Home / 48,126.61-72,049.14-28,074.79

Finding the Fourth Proportional to 48,126.61, 72,049.14 and 28,074.79

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Solution

The fourth proportional to 48,126.61, 72,049.14 and 28,074.79 is: 42,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.61 : 72,049.14 = 28,074.79 : x
  2. Step 2: Convert to fraction form
    48,126.61/72,049.14 = 28,074.79/x
  3. Step 3: Cross multiply
    48,126.61x = 72,049.14 × 28,074.79
  4. Step 4: Simplify right side
    48,126.61x = 2,022,764,475.18
  5. Step 5: Solve for x
    x = 2,022,764,475.18/48,126.61
  6. Step 6: Final answer
    x = 42,030.06

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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.