Home / 99,277.59-148,916.06-40,112.55

Finding the Fourth Proportional to 99,277.59, 148,916.06 and 40,112.55

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Solution

The fourth proportional to 99,277.59, 148,916.06 and 40,112.55 is: 60,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.59 : 148,916.06 = 40,112.55 : x
  2. Step 2: Convert to fraction form
    99,277.59/148,916.06 = 40,112.55/x
  3. Step 3: Cross multiply
    99,277.59x = 148,916.06 × 40,112.55
  4. Step 4: Simplify right side
    99,277.59x = 5,973,401,957.41
  5. Step 5: Solve for x
    x = 5,973,401,957.41/99,277.59
  6. Step 6: Final answer
    x = 60,168.69

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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.