Home / 89,177.96-133,718.58-39,199.58

Finding the Fourth Proportional to 89,177.96, 133,718.58 and 39,199.58

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Solution

The fourth proportional to 89,177.96, 133,718.58 and 39,199.58 is: 58,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.96 : 133,718.58 = 39,199.58 : x
  2. Step 2: Convert to fraction form
    89,177.96/133,718.58 = 39,199.58/x
  3. Step 3: Cross multiply
    89,177.96x = 133,718.58 × 39,199.58
  4. Step 4: Simplify right side
    89,177.96x = 5,241,712,174.20
  5. Step 5: Solve for x
    x = 5,241,712,174.20/89,177.96
  6. Step 6: Final answer
    x = 58,778.11

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1.5x scale

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.