Home / 99,835.82-149,753.46-40,657.58

Finding the Fourth Proportional to 99,835.82, 149,753.46 and 40,657.58

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Solution

The fourth proportional to 99,835.82, 149,753.46 and 40,657.58 is: 60,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,835.82 : 149,753.46 = 40,657.58 : x
  2. Step 2: Convert to fraction form
    99,835.82/149,753.46 = 40,657.58/x
  3. Step 3: Cross multiply
    99,835.82x = 149,753.46 × 40,657.58
  4. Step 4: Simplify right side
    99,835.82x = 6,088,613,280.23
  5. Step 5: Solve for x
    x = 6,088,613,280.23/99,835.82
  6. Step 6: Final answer
    x = 60,986.26

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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.