Home / 52,490.53-72,436.38-28,616.68

Finding the Fourth Proportional to 52,490.53, 72,436.38 and 28,616.68

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Solution

The fourth proportional to 52,490.53, 72,436.38 and 28,616.68 is: 39,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.53 : 72,436.38 = 28,616.68 : x
  2. Step 2: Convert to fraction form
    52,490.53/72,436.38 = 28,616.68/x
  3. Step 3: Cross multiply
    52,490.53x = 72,436.38 × 28,616.68
  4. Step 4: Simplify right side
    52,490.53x = 2,072,888,706.82
  5. Step 5: Solve for x
    x = 2,072,888,706.82/52,490.53
  6. Step 6: Final answer
    x = 39,490.72

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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.