Home / 79,307.10-118,952.55-26,717.04

Finding the Fourth Proportional to 79,307.10, 118,952.55 and 26,717.04

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Solution

The fourth proportional to 79,307.10, 118,952.55 and 26,717.04 is: 40,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,307.10 : 118,952.55 = 26,717.04 : x
  2. Step 2: Convert to fraction form
    79,307.10/118,952.55 = 26,717.04/x
  3. Step 3: Cross multiply
    79,307.10x = 118,952.55 × 26,717.04
  4. Step 4: Simplify right side
    79,307.10x = 3,178,060,036.45
  5. Step 5: Solve for x
    x = 3,178,060,036.45/79,307.10
  6. Step 6: Final answer
    x = 40,072.83

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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.