Home / 83,281.04-114,927.36-47,472.56

Finding the Fourth Proportional to 83,281.04, 114,927.36 and 47,472.56

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Solution

The fourth proportional to 83,281.04, 114,927.36 and 47,472.56 is: 65,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.04 : 114,927.36 = 47,472.56 : x
  2. Step 2: Convert to fraction form
    83,281.04/114,927.36 = 47,472.56/x
  3. Step 3: Cross multiply
    83,281.04x = 114,927.36 × 47,472.56
  4. Step 4: Simplify right side
    83,281.04x = 5,455,895,993.24
  5. Step 5: Solve for x
    x = 5,455,895,993.24/83,281.04
  6. Step 6: Final answer
    x = 65,511.86

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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.