Home / 83,102.28-114,681.14-45,376.56

Finding the Fourth Proportional to 83,102.28, 114,681.14 and 45,376.56

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Solution

The fourth proportional to 83,102.28, 114,681.14 and 45,376.56 is: 62,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,102.28 : 114,681.14 = 45,376.56 : x
  2. Step 2: Convert to fraction form
    83,102.28/114,681.14 = 45,376.56/x
  3. Step 3: Cross multiply
    83,102.28x = 114,681.14 × 45,376.56
  4. Step 4: Simplify right side
    83,102.28x = 5,203,835,630.08
  5. Step 5: Solve for x
    x = 5,203,835,630.08/83,102.28
  6. Step 6: Final answer
    x = 62,619.65

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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.