Home / 89,879.56-134,833.38-39,977.08

Finding the Fourth Proportional to 89,879.56, 134,833.38 and 39,977.08

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Solution

The fourth proportional to 89,879.56, 134,833.38 and 39,977.08 is: 59,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,879.56 : 134,833.38 = 39,977.08 : x
  2. Step 2: Convert to fraction form
    89,879.56/134,833.38 = 39,977.08/x
  3. Step 3: Cross multiply
    89,879.56x = 134,833.38 × 39,977.08
  4. Step 4: Simplify right side
    89,879.56x = 5,390,244,818.93
  5. Step 5: Solve for x
    x = 5,390,244,818.93/89,879.56
  6. Step 6: Final answer
    x = 59,971.86

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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.