Home / 54,183.60-81,275.40-49,345.20

Finding the Fourth Proportional to 54,183.60, 81,275.40 and 49,345.20

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Solution

The fourth proportional to 54,183.60, 81,275.40 and 49,345.20 is: 74,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.60 : 81,275.40 = 49,345.20 : x
  2. Step 2: Convert to fraction form
    54,183.60/81,275.40 = 49,345.20/x
  3. Step 3: Cross multiply
    54,183.60x = 81,275.40 × 49,345.20
  4. Step 4: Simplify right side
    54,183.60x = 4,010,550,868.08
  5. Step 5: Solve for x
    x = 4,010,550,868.08/54,183.60
  6. Step 6: Final answer
    x = 74,017.80

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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.