Home / 48,287.10-72,430.65-44,139.90

Finding the Fourth Proportional to 48,287.10, 72,430.65 and 44,139.90

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Solution

The fourth proportional to 48,287.10, 72,430.65 and 44,139.90 is: 66,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,287.10 : 72,430.65 = 44,139.90 : x
  2. Step 2: Convert to fraction form
    48,287.10/72,430.65 = 44,139.90/x
  3. Step 3: Cross multiply
    48,287.10x = 72,430.65 × 44,139.90
  4. Step 4: Simplify right side
    48,287.10x = 3,197,081,647.94
  5. Step 5: Solve for x
    x = 3,197,081,647.94/48,287.10
  6. Step 6: Final answer
    x = 66,209.85

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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.