Home / 110,082.06-151,915.68-61,687.59

Finding the Fourth Proportional to 110,082.06, 151,915.68 and 61,687.59

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Solution

The fourth proportional to 110,082.06, 151,915.68 and 61,687.59 is: 85,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,082.06 : 151,915.68 = 61,687.59 : x
  2. Step 2: Convert to fraction form
    110,082.06/151,915.68 = 61,687.59/x
  3. Step 3: Cross multiply
    110,082.06x = 151,915.68 × 61,687.59
  4. Step 4: Simplify right side
    110,082.06x = 9,371,312,182.41
  5. Step 5: Solve for x
    x = 9,371,312,182.41/110,082.06
  6. Step 6: Final answer
    x = 85,130.24

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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.