Home / 82,812.97-114,281.85-45,087.22

Finding the Fourth Proportional to 82,812.97, 114,281.85 and 45,087.22

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Solution

The fourth proportional to 82,812.97, 114,281.85 and 45,087.22 is: 62,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812.97 : 114,281.85 = 45,087.22 : x
  2. Step 2: Convert to fraction form
    82,812.97/114,281.85 = 45,087.22/x
  3. Step 3: Cross multiply
    82,812.97x = 114,281.85 × 45,087.22
  4. Step 4: Simplify right side
    82,812.97x = 5,152,650,912.96
  5. Step 5: Solve for x
    x = 5,152,650,912.96/82,812.97
  6. Step 6: Final answer
    x = 62,220.34

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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.