Home / 74,626.52-102,947.88-55,445.18

Finding the Fourth Proportional to 74,626.52, 102,947.88 and 55,445.18

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Solution

The fourth proportional to 74,626.52, 102,947.88 and 55,445.18 is: 76,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,626.52 : 102,947.88 = 55,445.18 : x
  2. Step 2: Convert to fraction form
    74,626.52/102,947.88 = 55,445.18/x
  3. Step 3: Cross multiply
    74,626.52x = 102,947.88 × 55,445.18
  4. Step 4: Simplify right side
    74,626.52x = 5,707,963,737.22
  5. Step 5: Solve for x
    x = 5,707,963,737.22/74,626.52
  6. Step 6: Final answer
    x = 76,487.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.