Home / 99,741.30-149,721.30-62,343.60

Finding the Fourth Proportional to 99,741.30, 149,721.30 and 62,343.60

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Solution

The fourth proportional to 99,741.30, 149,721.30 and 62,343.60 is: 93,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,741.30 : 149,721.30 = 62,343.60 : x
  2. Step 2: Convert to fraction form
    99,741.30/149,721.30 = 62,343.60/x
  3. Step 3: Cross multiply
    99,741.30x = 149,721.30 × 62,343.60
  4. Step 4: Simplify right side
    99,741.30x = 9,334,164,838.68
  5. Step 5: Solve for x
    x = 9,334,164,838.68/99,741.30
  6. Step 6: Final answer
    x = 93,583.75

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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.