Home / 113,145.64-156,144.90-62,849.32

Finding the Fourth Proportional to 113,145.64, 156,144.90 and 62,849.32

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Solution

The fourth proportional to 113,145.64, 156,144.90 and 62,849.32 is: 86,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.64 : 156,144.90 = 62,849.32 : x
  2. Step 2: Convert to fraction form
    113,145.64/156,144.90 = 62,849.32/x
  3. Step 3: Cross multiply
    113,145.64x = 156,144.90 × 62,849.32
  4. Step 4: Simplify right side
    113,145.64x = 9,813,600,786.47
  5. Step 5: Solve for x
    x = 9,813,600,786.47/113,145.64
  6. Step 6: Final answer
    x = 86,734.24

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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.