Home / 79,046.40-118,575.84-26,456.08

Finding the Fourth Proportional to 79,046.40, 118,575.84 and 26,456.08

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Solution

The fourth proportional to 79,046.40, 118,575.84 and 26,456.08 is: 39,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.40 : 118,575.84 = 26,456.08 : x
  2. Step 2: Convert to fraction form
    79,046.40/118,575.84 = 26,456.08/x
  3. Step 3: Cross multiply
    79,046.40x = 118,575.84 × 26,456.08
  4. Step 4: Simplify right side
    79,046.40x = 3,137,051,909.11
  5. Step 5: Solve for x
    x = 3,137,051,909.11/79,046.40
  6. Step 6: Final answer
    x = 39,686.21

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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.