Home / 84,247.18-126,368.33-34,314.93

Finding the Fourth Proportional to 84,247.18, 126,368.33 and 34,314.93

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Solution

The fourth proportional to 84,247.18, 126,368.33 and 34,314.93 is: 51,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,247.18 : 126,368.33 = 34,314.93 : x
  2. Step 2: Convert to fraction form
    84,247.18/126,368.33 = 34,314.93/x
  3. Step 3: Cross multiply
    84,247.18x = 126,368.33 × 34,314.93
  4. Step 4: Simplify right side
    84,247.18x = 4,336,320,398.17
  5. Step 5: Solve for x
    x = 4,336,320,398.17/84,247.18
  6. Step 6: Final answer
    x = 51,471.40

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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.