Home / 113,614.74-156,789.44-62,629.45

Finding the Fourth Proportional to 113,614.74, 156,789.44 and 62,629.45

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Solution

The fourth proportional to 113,614.74, 156,789.44 and 62,629.45 is: 86,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,614.74 : 156,789.44 = 62,629.45 : x
  2. Step 2: Convert to fraction form
    113,614.74/156,789.44 = 62,629.45/x
  3. Step 3: Cross multiply
    113,614.74x = 156,789.44 × 62,629.45
  4. Step 4: Simplify right side
    113,614.74x = 9,819,636,393.01
  5. Step 5: Solve for x
    x = 9,819,636,393.01/113,614.74
  6. Step 6: Final answer
    x = 86,429.25

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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.