Home / 82,810.40-114,274.92-45,084.56

Finding the Fourth Proportional to 82,810.40, 114,274.92 and 45,084.56

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Solution

The fourth proportional to 82,810.40, 114,274.92 and 45,084.56 is: 62,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810.40 : 114,274.92 = 45,084.56 : x
  2. Step 2: Convert to fraction form
    82,810.40/114,274.92 = 45,084.56/x
  3. Step 3: Cross multiply
    82,810.40x = 114,274.92 × 45,084.56
  4. Step 4: Simplify right side
    82,810.40x = 5,152,034,487.24
  5. Step 5: Solve for x
    x = 5,152,034,487.24/82,810.40
  6. Step 6: Final answer
    x = 62,214.82

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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.