Home / 84,428.44-126,595.84-34,543.56

Finding the Fourth Proportional to 84,428.44, 126,595.84 and 34,543.56

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Solution

The fourth proportional to 84,428.44, 126,595.84 and 34,543.56 is: 51,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,428.44 : 126,595.84 = 34,543.56 : x
  2. Step 2: Convert to fraction form
    84,428.44/126,595.84 = 34,543.56/x
  3. Step 3: Cross multiply
    84,428.44x = 126,595.84 × 34,543.56
  4. Step 4: Simplify right side
    84,428.44x = 4,373,070,994.79
  5. Step 5: Solve for x
    x = 4,373,070,994.79/84,428.44
  6. Step 6: Final answer
    x = 51,796.18

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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.