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Finding the Fourth Proportional to 82,700.82, 114,126.57 and 44,975.07

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Solution

The fourth proportional to 82,700.82, 114,126.57 and 44,975.07 is: 62,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,700.82 : 114,126.57 = 44,975.07 : x
  2. Step 2: Convert to fraction form
    82,700.82/114,126.57 = 44,975.07/x
  3. Step 3: Cross multiply
    82,700.82x = 114,126.57 × 44,975.07
  4. Step 4: Simplify right side
    82,700.82x = 5,132,850,474.61
  5. Step 5: Solve for x
    x = 5,132,850,474.61/82,700.82
  6. Step 6: Final answer
    x = 62,065.29

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1.5x scale

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.