Home / 112,778.56-169,154.32-29,679.04

Finding the Fourth Proportional to 112,778.56, 169,154.32 and 29,679.04

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Solution

The fourth proportional to 112,778.56, 169,154.32 and 29,679.04 is: 44,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.56 : 169,154.32 = 29,679.04 : x
  2. Step 2: Convert to fraction form
    112,778.56/169,154.32 = 29,679.04/x
  3. Step 3: Cross multiply
    112,778.56x = 169,154.32 × 29,679.04
  4. Step 4: Simplify right side
    112,778.56x = 5,020,337,829.45
  5. Step 5: Solve for x
    x = 5,020,337,829.45/112,778.56
  6. Step 6: Final answer
    x = 44,515.00

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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.