Home / 79,102.26-118,671.17-26,510.40

Finding the Fourth Proportional to 79,102.26, 118,671.17 and 26,510.40

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Solution

The fourth proportional to 79,102.26, 118,671.17 and 26,510.40 is: 39,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,102.26 : 118,671.17 = 26,510.40 : x
  2. Step 2: Convert to fraction form
    79,102.26/118,671.17 = 26,510.40/x
  3. Step 3: Cross multiply
    79,102.26x = 118,671.17 × 26,510.40
  4. Step 4: Simplify right side
    79,102.26x = 3,146,020,052.62
  5. Step 5: Solve for x
    x = 3,146,020,052.62/79,102.26
  6. Step 6: Final answer
    x = 39,771.56

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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.