Home / 57,368.80-79,166.37-31,876.95

Finding the Fourth Proportional to 57,368.80, 79,166.37 and 31,876.95

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Solution

The fourth proportional to 57,368.80, 79,166.37 and 31,876.95 is: 43,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.80 : 79,166.37 = 31,876.95 : x
  2. Step 2: Convert to fraction form
    57,368.80/79,166.37 = 31,876.95/x
  3. Step 3: Cross multiply
    57,368.80x = 79,166.37 × 31,876.95
  4. Step 4: Simplify right side
    57,368.80x = 2,523,582,418.17
  5. Step 5: Solve for x
    x = 2,523,582,418.17/57,368.80
  6. Step 6: Final answer
    x = 43,988.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.