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Finding the Fourth Proportional to 55,803.60, 83,559.60 and 44,042.40

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Solution

The fourth proportional to 55,803.60, 83,559.60 and 44,042.40 is: 65,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.60 : 83,559.60 = 44,042.40 : x
  2. Step 2: Convert to fraction form
    55,803.60/83,559.60 = 44,042.40/x
  3. Step 3: Cross multiply
    55,803.60x = 83,559.60 × 44,042.40
  4. Step 4: Simplify right side
    55,803.60x = 3,680,165,327.04
  5. Step 5: Solve for x
    x = 3,680,165,327.04/55,803.60
  6. Step 6: Final answer
    x = 65,948.53

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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.