Home / 77,658.28-107,167.89-43,666.83

Finding the Fourth Proportional to 77,658.28, 107,167.89 and 43,666.83

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Solution

The fourth proportional to 77,658.28, 107,167.89 and 43,666.83 is: 60,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658.28 : 107,167.89 = 43,666.83 : x
  2. Step 2: Convert to fraction form
    77,658.28/107,167.89 = 43,666.83/x
  3. Step 3: Cross multiply
    77,658.28x = 107,167.89 × 43,666.83
  4. Step 4: Simplify right side
    77,658.28x = 4,679,682,197.84
  5. Step 5: Solve for x
    x = 4,679,682,197.84/77,658.28
  6. Step 6: Final answer
    x = 60,259.93

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1.5x scale

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.