Home / 113,302.62-156,354.49-62,315.36

Finding the Fourth Proportional to 113,302.62, 156,354.49 and 62,315.36

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Solution

The fourth proportional to 113,302.62, 156,354.49 and 62,315.36 is: 85,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,302.62 : 156,354.49 = 62,315.36 : x
  2. Step 2: Convert to fraction form
    113,302.62/156,354.49 = 62,315.36/x
  3. Step 3: Cross multiply
    113,302.62x = 156,354.49 × 62,315.36
  4. Step 4: Simplify right side
    113,302.62x = 9,743,286,214.42
  5. Step 5: Solve for x
    x = 9,743,286,214.42/113,302.62
  6. Step 6: Final answer
    x = 85,993.48

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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.