Home / 88,388.04-122,017.20-56,575.38

Finding the Fourth Proportional to 88,388.04, 122,017.20 and 56,575.38

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Solution

The fourth proportional to 88,388.04, 122,017.20 and 56,575.38 is: 78,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388.04 : 122,017.20 = 56,575.38 : x
  2. Step 2: Convert to fraction form
    88,388.04/122,017.20 = 56,575.38/x
  3. Step 3: Cross multiply
    88,388.04x = 122,017.20 × 56,575.38
  4. Step 4: Simplify right side
    88,388.04x = 6,903,169,456.54
  5. Step 5: Solve for x
    x = 6,903,169,456.54/88,388.04
  6. Step 6: Final answer
    x = 78,100.72

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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.