Home / 79,106.83-118,717.04-31,082.74

Finding the Fourth Proportional to 79,106.83, 118,717.04 and 31,082.74

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Solution

The fourth proportional to 79,106.83, 118,717.04 and 31,082.74 is: 46,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,106.83 : 118,717.04 = 31,082.74 : x
  2. Step 2: Convert to fraction form
    79,106.83/118,717.04 = 31,082.74/x
  3. Step 3: Cross multiply
    79,106.83x = 118,717.04 × 31,082.74
  4. Step 4: Simplify right side
    79,106.83x = 3,690,050,668.80
  5. Step 5: Solve for x
    x = 3,690,050,668.80/79,106.83
  6. Step 6: Final answer
    x = 46,646.42

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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.