Home / 48,829.80-73,158.30-45,719.40

Finding the Fourth Proportional to 48,829.80, 73,158.30 and 45,719.40

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Solution

The fourth proportional to 48,829.80, 73,158.30 and 45,719.40 is: 68,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,829.80 : 73,158.30 = 45,719.40 : x
  2. Step 2: Convert to fraction form
    48,829.80/73,158.30 = 45,719.40/x
  3. Step 3: Cross multiply
    48,829.80x = 73,158.30 × 45,719.40
  4. Step 4: Simplify right side
    48,829.80x = 3,344,753,581.02
  5. Step 5: Solve for x
    x = 3,344,753,581.02/48,829.80
  6. Step 6: Final answer
    x = 68,498.20

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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.