Home / 77,613.55-107,176.62-48,983.89

Finding the Fourth Proportional to 77,613.55, 107,176.62 and 48,983.89

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Solution

The fourth proportional to 77,613.55, 107,176.62 and 48,983.89 is: 67,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613.55 : 107,176.62 = 48,983.89 : x
  2. Step 2: Convert to fraction form
    77,613.55/107,176.62 = 48,983.89/x
  3. Step 3: Cross multiply
    77,613.55x = 107,176.62 × 48,983.89
  4. Step 4: Simplify right side
    77,613.55x = 5,249,927,764.65
  5. Step 5: Solve for x
    x = 5,249,927,764.65/77,613.55
  6. Step 6: Final answer
    x = 67,641.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.