Home / 82,883.29-124,325.81-66,348.43

Finding the Fourth Proportional to 82,883.29, 124,325.81 and 66,348.43

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Solution

The fourth proportional to 82,883.29, 124,325.81 and 66,348.43 is: 99,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883.29 : 124,325.81 = 66,348.43 : x
  2. Step 2: Convert to fraction form
    82,883.29/124,325.81 = 66,348.43/x
  3. Step 3: Cross multiply
    82,883.29x = 124,325.81 × 66,348.43
  4. Step 4: Simplify right side
    82,883.29x = 8,248,822,281.05
  5. Step 5: Solve for x
    x = 8,248,822,281.05/82,883.29
  6. Step 6: Final answer
    x = 99,523.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.