Home / 95,488.20-143,137.80-42,209.10

Finding the Fourth Proportional to 95,488.20, 143,137.80 and 42,209.10

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Solution

The fourth proportional to 95,488.20, 143,137.80 and 42,209.10 is: 63,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,488.20 : 143,137.80 = 42,209.10 : x
  2. Step 2: Convert to fraction form
    95,488.20/143,137.80 = 42,209.10/x
  3. Step 3: Cross multiply
    95,488.20x = 143,137.80 × 42,209.10
  4. Step 4: Simplify right side
    95,488.20x = 6,041,717,713.98
  5. Step 5: Solve for x
    x = 6,041,717,713.98/95,488.20
  6. Step 6: Final answer
    x = 63,271.88

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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.