Home / 79,046.40-118,575.84-26,456.10

Finding the Fourth Proportional to 79,046.40, 118,575.84 and 26,456.10

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Solution

The fourth proportional to 79,046.40, 118,575.84 and 26,456.10 is: 39,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.40 : 118,575.84 = 26,456.10 : x
  2. Step 2: Convert to fraction form
    79,046.40/118,575.84 = 26,456.10/x
  3. Step 3: Cross multiply
    79,046.40x = 118,575.84 × 26,456.10
  4. Step 4: Simplify right side
    79,046.40x = 3,137,054,280.62
  5. Step 5: Solve for x
    x = 3,137,054,280.62/79,046.40
  6. Step 6: Final answer
    x = 39,686.24

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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.