Home / 99,265.41-148,925.91-40,142.61

Finding the Fourth Proportional to 99,265.41, 148,925.91 and 40,142.61

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Solution

The fourth proportional to 99,265.41, 148,925.91 and 40,142.61 is: 60,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.41 : 148,925.91 = 40,142.61 : x
  2. Step 2: Convert to fraction form
    99,265.41/148,925.91 = 40,142.61/x
  3. Step 3: Cross multiply
    99,265.41x = 148,925.91 × 40,142.61
  4. Step 4: Simplify right side
    99,265.41x = 5,978,274,724.03
  5. Step 5: Solve for x
    x = 5,978,274,724.03/99,265.41
  6. Step 6: Final answer
    x = 60,225.16

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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.