Home / 84,773.18-116,987.31-47,047.43

Finding the Fourth Proportional to 84,773.18, 116,987.31 and 47,047.43

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Solution

The fourth proportional to 84,773.18, 116,987.31 and 47,047.43 is: 64,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.18 : 116,987.31 = 47,047.43 : x
  2. Step 2: Convert to fraction form
    84,773.18/116,987.31 = 47,047.43/x
  3. Step 3: Cross multiply
    84,773.18x = 116,987.31 × 47,047.43
  4. Step 4: Simplify right side
    84,773.18x = 5,503,952,278.11
  5. Step 5: Solve for x
    x = 5,503,952,278.11/84,773.18
  6. Step 6: Final answer
    x = 64,925.63

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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.