Home / 79,527.18-109,666.14-52,659.89

Finding the Fourth Proportional to 79,527.18, 109,666.14 and 52,659.89

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Solution

The fourth proportional to 79,527.18, 109,666.14 and 52,659.89 is: 72,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,527.18 : 109,666.14 = 52,659.89 : x
  2. Step 2: Convert to fraction form
    79,527.18/109,666.14 = 52,659.89/x
  3. Step 3: Cross multiply
    79,527.18x = 109,666.14 × 52,659.89
  4. Step 4: Simplify right side
    79,527.18x = 5,775,006,320.79
  5. Step 5: Solve for x
    x = 5,775,006,320.79/79,527.18
  6. Step 6: Final answer
    x = 72,616.76

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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.