Home / 88,960.68-133,455.60-42,188.04

Finding the Fourth Proportional to 88,960.68, 133,455.60 and 42,188.04

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Solution

The fourth proportional to 88,960.68, 133,455.60 and 42,188.04 is: 63,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,960.68 : 133,455.60 = 42,188.04 : x
  2. Step 2: Convert to fraction form
    88,960.68/133,455.60 = 42,188.04/x
  3. Step 3: Cross multiply
    88,960.68x = 133,455.60 × 42,188.04
  4. Step 4: Simplify right side
    88,960.68x = 5,630,230,191.02
  5. Step 5: Solve for x
    x = 5,630,230,191.02/88,960.68
  6. Step 6: Final answer
    x = 63,288.97

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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.