Home / 79,272.24-118,925.88-26,680

Finding the Fourth Proportional to 79,272.24, 118,925.88 and 26,680

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Solution

The fourth proportional to 79,272.24, 118,925.88 and 26,680 is: 40,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.24 : 118,925.88 = 26,680 : x
  2. Step 2: Convert to fraction form
    79,272.24/118,925.88 = 26,680/x
  3. Step 3: Cross multiply
    79,272.24x = 118,925.88 × 26,680
  4. Step 4: Simplify right side
    79,272.24x = 3,172,942,478.40
  5. Step 5: Solve for x
    x = 3,172,942,478.40/79,272.24
  6. Step 6: Final answer
    x = 40,025.90

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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.