Home / 58,720.47-88,077.57-20,767.11

Finding the Fourth Proportional to 58,720.47, 88,077.57 and 20,767.11

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Solution

The fourth proportional to 58,720.47, 88,077.57 and 20,767.11 is: 31,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.47 : 88,077.57 = 20,767.11 : x
  2. Step 2: Convert to fraction form
    58,720.47/88,077.57 = 20,767.11/x
  3. Step 3: Cross multiply
    58,720.47x = 88,077.57 × 20,767.11
  4. Step 4: Simplify right side
    58,720.47x = 1,829,116,506.85
  5. Step 5: Solve for x
    x = 1,829,116,506.85/58,720.47
  6. Step 6: Final answer
    x = 31,149.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.