Home / 56,949.29-85,432.10-17,509.71

Finding the Fourth Proportional to 56,949.29, 85,432.10 and 17,509.71

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Solution

The fourth proportional to 56,949.29, 85,432.10 and 17,509.71 is: 26,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,949.29 : 85,432.10 = 17,509.71 : x
  2. Step 2: Convert to fraction form
    56,949.29/85,432.10 = 17,509.71/x
  3. Step 3: Cross multiply
    56,949.29x = 85,432.10 × 17,509.71
  4. Step 4: Simplify right side
    56,949.29x = 1,495,891,208.14
  5. Step 5: Solve for x
    x = 1,495,891,208.14/56,949.29
  6. Step 6: Final answer
    x = 26,267.08

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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.