Home / 113,619.84-156,788.33-62,629.93

Finding the Fourth Proportional to 113,619.84, 156,788.33 and 62,629.93

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Solution

The fourth proportional to 113,619.84, 156,788.33 and 62,629.93 is: 86,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,619.84 : 156,788.33 = 62,629.93 : x
  2. Step 2: Convert to fraction form
    113,619.84/156,788.33 = 62,629.93/x
  3. Step 3: Cross multiply
    113,619.84x = 156,788.33 × 62,629.93
  4. Step 4: Simplify right side
    113,619.84x = 9,819,642,132.72
  5. Step 5: Solve for x
    x = 9,819,642,132.72/113,619.84
  6. Step 6: Final answer
    x = 86,425.42

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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.