Home / 86,746.29-119,708.33-49,019.73

Finding the Fourth Proportional to 86,746.29, 119,708.33 and 49,019.73

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Solution

The fourth proportional to 86,746.29, 119,708.33 and 49,019.73 is: 67,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,746.29 : 119,708.33 = 49,019.73 : x
  2. Step 2: Convert to fraction form
    86,746.29/119,708.33 = 49,019.73/x
  3. Step 3: Cross multiply
    86,746.29x = 119,708.33 × 49,019.73
  4. Step 4: Simplify right side
    86,746.29x = 5,868,069,770.25
  5. Step 5: Solve for x
    x = 5,868,069,770.25/86,746.29
  6. Step 6: Final answer
    x = 67,646.35

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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.