Home / 99,135.18-148,850.43-40,086.18

Finding the Fourth Proportional to 99,135.18, 148,850.43 and 40,086.18

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Solution

The fourth proportional to 99,135.18, 148,850.43 and 40,086.18 is: 60,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,135.18 : 148,850.43 = 40,086.18 : x
  2. Step 2: Convert to fraction form
    99,135.18/148,850.43 = 40,086.18/x
  3. Step 3: Cross multiply
    99,135.18x = 148,850.43 × 40,086.18
  4. Step 4: Simplify right side
    99,135.18x = 5,966,845,130.06
  5. Step 5: Solve for x
    x = 5,966,845,130.06/99,135.18
  6. Step 6: Final answer
    x = 60,188.98

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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.