Home / 99,352.14-148,981.38-36,127.80

Finding the Fourth Proportional to 99,352.14, 148,981.38 and 36,127.80

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Solution

The fourth proportional to 99,352.14, 148,981.38 and 36,127.80 is: 54,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,352.14 : 148,981.38 = 36,127.80 : x
  2. Step 2: Convert to fraction form
    99,352.14/148,981.38 = 36,127.80/x
  3. Step 3: Cross multiply
    99,352.14x = 148,981.38 × 36,127.80
  4. Step 4: Simplify right side
    99,352.14x = 5,382,369,500.36
  5. Step 5: Solve for x
    x = 5,382,369,500.36/99,352.14
  6. Step 6: Final answer
    x = 54,174.67

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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.