Home / 116,319.81-160,517.28-71,073.52

Finding the Fourth Proportional to 116,319.81, 160,517.28 and 71,073.52

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Solution

The fourth proportional to 116,319.81, 160,517.28 and 71,073.52 is: 98,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,319.81 : 160,517.28 = 71,073.52 : x
  2. Step 2: Convert to fraction form
    116,319.81/160,517.28 = 71,073.52/x
  3. Step 3: Cross multiply
    116,319.81x = 160,517.28 × 71,073.52
  4. Step 4: Simplify right side
    116,319.81x = 11,408,528,110.43
  5. Step 5: Solve for x
    x = 11,408,528,110.43/116,319.81
  6. Step 6: Final answer
    x = 98,078.98

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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.