Home / 79,895.85-119,834.92-28,602.47

Finding the Fourth Proportional to 79,895.85, 119,834.92 and 28,602.47

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Solution

The fourth proportional to 79,895.85, 119,834.92 and 28,602.47 is: 42,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,895.85 : 119,834.92 = 28,602.47 : x
  2. Step 2: Convert to fraction form
    79,895.85/119,834.92 = 28,602.47/x
  3. Step 3: Cross multiply
    79,895.85x = 119,834.92 × 28,602.47
  4. Step 4: Simplify right side
    79,895.85x = 3,427,574,704.25
  5. Step 5: Solve for x
    x = 3,427,574,704.25/79,895.85
  6. Step 6: Final answer
    x = 42,900.53

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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.