Home / 85,654.62-118,237.38-58,065.61

Finding the Fourth Proportional to 85,654.62, 118,237.38 and 58,065.61

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Solution

The fourth proportional to 85,654.62, 118,237.38 and 58,065.61 is: 80,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,654.62 : 118,237.38 = 58,065.61 : x
  2. Step 2: Convert to fraction form
    85,654.62/118,237.38 = 58,065.61/x
  3. Step 3: Cross multiply
    85,654.62x = 118,237.38 × 58,065.61
  4. Step 4: Simplify right side
    85,654.62x = 6,865,525,594.50
  5. Step 5: Solve for x
    x = 6,865,525,594.50/85,654.62
  6. Step 6: Final answer
    x = 80,153.59

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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.