Home / 97,721.92-134,859.56-57,435.10

Finding the Fourth Proportional to 97,721.92, 134,859.56 and 57,435.10

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Solution

The fourth proportional to 97,721.92, 134,859.56 and 57,435.10 is: 79,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,721.92 : 134,859.56 = 57,435.10 : x
  2. Step 2: Convert to fraction form
    97,721.92/134,859.56 = 57,435.10/x
  3. Step 3: Cross multiply
    97,721.92x = 134,859.56 × 57,435.10
  4. Step 4: Simplify right side
    97,721.92x = 7,745,672,314.56
  5. Step 5: Solve for x
    x = 7,745,672,314.56/97,721.92
  6. Step 6: Final answer
    x = 79,262.38

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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.