Home / 78,248.80-117,216.67-36,071.19

Finding the Fourth Proportional to 78,248.80, 117,216.67 and 36,071.19

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Solution

The fourth proportional to 78,248.80, 117,216.67 and 36,071.19 is: 54,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,248.80 : 117,216.67 = 36,071.19 : x
  2. Step 2: Convert to fraction form
    78,248.80/117,216.67 = 36,071.19/x
  3. Step 3: Cross multiply
    78,248.80x = 117,216.67 × 36,071.19
  4. Step 4: Simplify right side
    78,248.80x = 4,228,144,752.19
  5. Step 5: Solve for x
    x = 4,228,144,752.19/78,248.80
  6. Step 6: Final answer
    x = 54,034.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.