Home / 84,267.28-126,369.92-34,320.25

Finding the Fourth Proportional to 84,267.28, 126,369.92 and 34,320.25

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Solution

The fourth proportional to 84,267.28, 126,369.92 and 34,320.25 is: 51,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,267.28 : 126,369.92 = 34,320.25 : x
  2. Step 2: Convert to fraction form
    84,267.28/126,369.92 = 34,320.25/x
  3. Step 3: Cross multiply
    84,267.28x = 126,369.92 × 34,320.25
  4. Step 4: Simplify right side
    84,267.28x = 4,337,047,075.28
  5. Step 5: Solve for x
    x = 4,337,047,075.28/84,267.28
  6. Step 6: Final answer
    x = 51,467.75

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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.