Home / 52,621.20-72,616.02-28,747.96

Finding the Fourth Proportional to 52,621.20, 72,616.02 and 28,747.96

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Solution

The fourth proportional to 52,621.20, 72,616.02 and 28,747.96 is: 39,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.20 : 72,616.02 = 28,747.96 : x
  2. Step 2: Convert to fraction form
    52,621.20/72,616.02 = 28,747.96/x
  3. Step 3: Cross multiply
    52,621.20x = 72,616.02 × 28,747.96
  4. Step 4: Simplify right side
    52,621.20x = 2,087,562,438.32
  5. Step 5: Solve for x
    x = 2,087,562,438.32/52,621.20
  6. Step 6: Final answer
    x = 39,671.51

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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.