Home / 113,612.74-156,786.68-62,627.45

Finding the Fourth Proportional to 113,612.74, 156,786.68 and 62,627.45

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Solution

The fourth proportional to 113,612.74, 156,786.68 and 62,627.45 is: 86,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612.74 : 156,786.68 = 62,627.45 : x
  2. Step 2: Convert to fraction form
    113,612.74/156,786.68 = 62,627.45/x
  3. Step 3: Cross multiply
    113,612.74x = 156,786.68 × 62,627.45
  4. Step 4: Simplify right side
    113,612.74x = 9,819,149,649.23
  5. Step 5: Solve for x
    x = 9,819,149,649.23/113,612.74
  6. Step 6: Final answer
    x = 86,426.49

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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.