Home / 95,730.30-143,595.45-53,739.90

Finding the Fourth Proportional to 95,730.30, 143,595.45 and 53,739.90

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Solution

The fourth proportional to 95,730.30, 143,595.45 and 53,739.90 is: 80,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,730.30 : 143,595.45 = 53,739.90 : x
  2. Step 2: Convert to fraction form
    95,730.30/143,595.45 = 53,739.90/x
  3. Step 3: Cross multiply
    95,730.30x = 143,595.45 × 53,739.90
  4. Step 4: Simplify right side
    95,730.30x = 7,716,805,123.46
  5. Step 5: Solve for x
    x = 7,716,805,123.46/95,730.30
  6. Step 6: Final answer
    x = 80,609.85

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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.