Home / 97,849.68-134,972.82-64,697.76

Finding the Fourth Proportional to 97,849.68, 134,972.82 and 64,697.76

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Solution

The fourth proportional to 97,849.68, 134,972.82 and 64,697.76 is: 89,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.68 : 134,972.82 = 64,697.76 : x
  2. Step 2: Convert to fraction form
    97,849.68/134,972.82 = 64,697.76/x
  3. Step 3: Cross multiply
    97,849.68x = 134,972.82 × 64,697.76
  4. Step 4: Simplify right side
    97,849.68x = 8,732,439,114.88
  5. Step 5: Solve for x
    x = 8,732,439,114.88/97,849.68
  6. Step 6: Final answer
    x = 89,243.41

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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.