Home / 92,642.13-138,971.40-26,082.84

Finding the Fourth Proportional to 92,642.13, 138,971.40 and 26,082.84

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Solution

The fourth proportional to 92,642.13, 138,971.40 and 26,082.84 is: 39,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,642.13 : 138,971.40 = 26,082.84 : x
  2. Step 2: Convert to fraction form
    92,642.13/138,971.40 = 26,082.84/x
  3. Step 3: Cross multiply
    92,642.13x = 138,971.40 × 26,082.84
  4. Step 4: Simplify right side
    92,642.13x = 3,624,768,790.78
  5. Step 5: Solve for x
    x = 3,624,768,790.78/92,642.13
  6. Step 6: Final answer
    x = 39,126.57

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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.