Home / 57,729.18-86,639.13-29,648.10

Finding the Fourth Proportional to 57,729.18, 86,639.13 and 29,648.10

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Solution

The fourth proportional to 57,729.18, 86,639.13 and 29,648.10 is: 44,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.18 : 86,639.13 = 29,648.10 : x
  2. Step 2: Convert to fraction form
    57,729.18/86,639.13 = 29,648.10/x
  3. Step 3: Cross multiply
    57,729.18x = 86,639.13 × 29,648.10
  4. Step 4: Simplify right side
    57,729.18x = 2,568,685,590.15
  5. Step 5: Solve for x
    x = 2,568,685,590.15/57,729.18
  6. Step 6: Final answer
    x = 44,495.45

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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.