Home / 61,528.10-92,279.55-17,143.70

Finding the Fourth Proportional to 61,528.10, 92,279.55 and 17,143.70

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Solution

The fourth proportional to 61,528.10, 92,279.55 and 17,143.70 is: 25,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,528.10 : 92,279.55 = 17,143.70 : x
  2. Step 2: Convert to fraction form
    61,528.10/92,279.55 = 17,143.70/x
  3. Step 3: Cross multiply
    61,528.10x = 92,279.55 × 17,143.70
  4. Step 4: Simplify right side
    61,528.10x = 1,582,012,921.34
  5. Step 5: Solve for x
    x = 1,582,012,921.34/61,528.10
  6. Step 6: Final answer
    x = 25,712.04

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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.