Home / 83,139.18-114,769.84-52,965.88

Finding the Fourth Proportional to 83,139.18, 114,769.84 and 52,965.88

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Solution

The fourth proportional to 83,139.18, 114,769.84 and 52,965.88 is: 73,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,139.18 : 114,769.84 = 52,965.88 : x
  2. Step 2: Convert to fraction form
    83,139.18/114,769.84 = 52,965.88/x
  3. Step 3: Cross multiply
    83,139.18x = 114,769.84 × 52,965.88
  4. Step 4: Simplify right side
    83,139.18x = 6,078,885,573.06
  5. Step 5: Solve for x
    x = 6,078,885,573.06/83,139.18
  6. Step 6: Final answer
    x = 73,116.98

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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.