Home / 84,534.10-126,813.52-25,374.46

Finding the Fourth Proportional to 84,534.10, 126,813.52 and 25,374.46

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Solution

The fourth proportional to 84,534.10, 126,813.52 and 25,374.46 is: 38,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,534.10 : 126,813.52 = 25,374.46 : x
  2. Step 2: Convert to fraction form
    84,534.10/126,813.52 = 25,374.46/x
  3. Step 3: Cross multiply
    84,534.10x = 126,813.52 × 25,374.46
  4. Step 4: Simplify right side
    84,534.10x = 3,217,824,590.70
  5. Step 5: Solve for x
    x = 3,217,824,590.70/84,534.10
  6. Step 6: Final answer
    x = 38,065.40

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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.