Home / 98,343.28-135,735.22-62,526.30

Finding the Fourth Proportional to 98,343.28, 135,735.22 and 62,526.30

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Solution

The fourth proportional to 98,343.28, 135,735.22 and 62,526.30 is: 86,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,343.28 : 135,735.22 = 62,526.30 : x
  2. Step 2: Convert to fraction form
    98,343.28/135,735.22 = 62,526.30/x
  3. Step 3: Cross multiply
    98,343.28x = 135,735.22 × 62,526.30
  4. Step 4: Simplify right side
    98,343.28x = 8,487,020,407.61
  5. Step 5: Solve for x
    x = 8,487,020,407.61/98,343.28
  6. Step 6: Final answer
    x = 86,299.95

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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.