Home / 113,608.55-156,772.73-62,621.69

Finding the Fourth Proportional to 113,608.55, 156,772.73 and 62,621.69

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Solution

The fourth proportional to 113,608.55, 156,772.73 and 62,621.69 is: 86,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.55 : 156,772.73 = 62,621.69 : x
  2. Step 2: Convert to fraction form
    113,608.55/156,772.73 = 62,621.69/x
  3. Step 3: Cross multiply
    113,608.55x = 156,772.73 × 62,621.69
  4. Step 4: Simplify right side
    113,608.55x = 9,817,373,298.51
  5. Step 5: Solve for x
    x = 9,817,373,298.51/113,608.55
  6. Step 6: Final answer
    x = 86,414.04

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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.