Home / 97,456.67-134,467.40-57,168.35

Finding the Fourth Proportional to 97,456.67, 134,467.40 and 57,168.35

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Solution

The fourth proportional to 97,456.67, 134,467.40 and 57,168.35 is: 78,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,456.67 : 134,467.40 = 57,168.35 : x
  2. Step 2: Convert to fraction form
    97,456.67/134,467.40 = 57,168.35/x
  3. Step 3: Cross multiply
    97,456.67x = 134,467.40 × 57,168.35
  4. Step 4: Simplify right side
    97,456.67x = 7,687,279,100.95
  5. Step 5: Solve for x
    x = 7,687,279,100.95/97,456.67
  6. Step 6: Final answer
    x = 78,878.94

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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.