Home / 113,709.48-156,920.35-62,724.02

Finding the Fourth Proportional to 113,709.48, 156,920.35 and 62,724.02

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Solution

The fourth proportional to 113,709.48, 156,920.35 and 62,724.02 is: 86,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,709.48 : 156,920.35 = 62,724.02 : x
  2. Step 2: Convert to fraction form
    113,709.48/156,920.35 = 62,724.02/x
  3. Step 3: Cross multiply
    113,709.48x = 156,920.35 × 62,724.02
  4. Step 4: Simplify right side
    113,709.48x = 9,842,675,171.81
  5. Step 5: Solve for x
    x = 9,842,675,171.81/113,709.48
  6. Step 6: Final answer
    x = 86,559.85

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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.