Home / 52,572.21-72,549.78-28,698.90

Finding the Fourth Proportional to 52,572.21, 72,549.78 and 28,698.90

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Solution

The fourth proportional to 52,572.21, 72,549.78 and 28,698.90 is: 39,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,572.21 : 72,549.78 = 28,698.90 : x
  2. Step 2: Convert to fraction form
    52,572.21/72,549.78 = 28,698.90/x
  3. Step 3: Cross multiply
    52,572.21x = 72,549.78 × 28,698.90
  4. Step 4: Simplify right side
    52,572.21x = 2,082,098,881.24
  5. Step 5: Solve for x
    x = 2,082,098,881.24/52,572.21
  6. Step 6: Final answer
    x = 39,604.55

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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.