Home / 75,700.04-113,650.49-64,677.56

Finding the Fourth Proportional to 75,700.04, 113,650.49 and 64,677.56

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Solution

The fourth proportional to 75,700.04, 113,650.49 and 64,677.56 is: 97,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,700.04 : 113,650.49 = 64,677.56 : x
  2. Step 2: Convert to fraction form
    75,700.04/113,650.49 = 64,677.56/x
  3. Step 3: Cross multiply
    75,700.04x = 113,650.49 × 64,677.56
  4. Step 4: Simplify right side
    75,700.04x = 7,350,635,979.45
  5. Step 5: Solve for x
    x = 7,350,635,979.45/75,700.04
  6. Step 6: Final answer
    x = 97,102.15

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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.