Home / 113,362.80-156,375.68-70,847.52

Finding the Fourth Proportional to 113,362.80, 156,375.68 and 70,847.52

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Solution

The fourth proportional to 113,362.80, 156,375.68 and 70,847.52 is: 97,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,362.80 : 156,375.68 = 70,847.52 : x
  2. Step 2: Convert to fraction form
    113,362.80/156,375.68 = 70,847.52/x
  3. Step 3: Cross multiply
    113,362.80x = 156,375.68 × 70,847.52
  4. Step 4: Simplify right side
    113,362.80x = 11,078,829,116.31
  5. Step 5: Solve for x
    x = 11,078,829,116.31/113,362.80
  6. Step 6: Final answer
    x = 97,728.97

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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.