Home / 85,377.18-128,032.94-59,001.96

Finding the Fourth Proportional to 85,377.18, 128,032.94 and 59,001.96

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Solution

The fourth proportional to 85,377.18, 128,032.94 and 59,001.96 is: 88,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377.18 : 128,032.94 = 59,001.96 : x
  2. Step 2: Convert to fraction form
    85,377.18/128,032.94 = 59,001.96/x
  3. Step 3: Cross multiply
    85,377.18x = 128,032.94 × 59,001.96
  4. Step 4: Simplify right side
    85,377.18x = 7,554,194,404.56
  5. Step 5: Solve for x
    x = 7,554,194,404.56/85,377.18
  6. Step 6: Final answer
    x = 88,480.25

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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.