Home / 52,580.10-72,560.78-28,707.31

Finding the Fourth Proportional to 52,580.10, 72,560.78 and 28,707.31

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Solution

The fourth proportional to 52,580.10, 72,560.78 and 28,707.31 is: 39,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,580.10 : 72,560.78 = 28,707.31 : x
  2. Step 2: Convert to fraction form
    52,580.10/72,560.78 = 28,707.31/x
  3. Step 3: Cross multiply
    52,580.10x = 72,560.78 × 28,707.31
  4. Step 4: Simplify right side
    52,580.10x = 2,083,024,805.30
  5. Step 5: Solve for x
    x = 2,083,024,805.30/52,580.10
  6. Step 6: Final answer
    x = 39,616.22

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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.