Home / 82,110.40-123,214.20-59,867.80

Finding the Fourth Proportional to 82,110.40, 123,214.20 and 59,867.80

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Solution

The fourth proportional to 82,110.40, 123,214.20 and 59,867.80 is: 89,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.40 : 123,214.20 = 59,867.80 : x
  2. Step 2: Convert to fraction form
    82,110.40/123,214.20 = 59,867.80/x
  3. Step 3: Cross multiply
    82,110.40x = 123,214.20 × 59,867.80
  4. Step 4: Simplify right side
    82,110.40x = 7,376,563,082.76
  5. Step 5: Solve for x
    x = 7,376,563,082.76/82,110.40
  6. Step 6: Final answer
    x = 89,837.13

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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.