Home / 113,410.65-156,505.46-62,422.28

Finding the Fourth Proportional to 113,410.65, 156,505.46 and 62,422.28

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Solution

The fourth proportional to 113,410.65, 156,505.46 and 62,422.28 is: 86,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,410.65 : 156,505.46 = 62,422.28 : x
  2. Step 2: Convert to fraction form
    113,410.65/156,505.46 = 62,422.28/x
  3. Step 3: Cross multiply
    113,410.65x = 156,505.46 × 62,422.28
  4. Step 4: Simplify right side
    113,410.65x = 9,769,428,018.25
  5. Step 5: Solve for x
    x = 9,769,428,018.25/113,410.65
  6. Step 6: Final answer
    x = 86,142.07

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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.