Home / 72,306.65-108,271.33-58,189.56

Finding the Fourth Proportional to 72,306.65, 108,271.33 and 58,189.56

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Solution

The fourth proportional to 72,306.65, 108,271.33 and 58,189.56 is: 87,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,306.65 : 108,271.33 = 58,189.56 : x
  2. Step 2: Convert to fraction form
    72,306.65/108,271.33 = 58,189.56/x
  3. Step 3: Cross multiply
    72,306.65x = 108,271.33 × 58,189.56
  4. Step 4: Simplify right side
    72,306.65x = 6,300,261,053.31
  5. Step 5: Solve for x
    x = 6,300,261,053.31/72,306.65
  6. Step 6: Final answer
    x = 87,132.53

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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.