Home / 99,077.20-148,657.49-61,668.57

Finding the Fourth Proportional to 99,077.20, 148,657.49 and 61,668.57

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Solution

The fourth proportional to 99,077.20, 148,657.49 and 61,668.57 is: 92,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.20 : 148,657.49 = 61,668.57 : x
  2. Step 2: Convert to fraction form
    99,077.20/148,657.49 = 61,668.57/x
  3. Step 3: Cross multiply
    99,077.20x = 148,657.49 × 61,668.57
  4. Step 4: Simplify right side
    99,077.20x = 9,167,494,828.09
  5. Step 5: Solve for x
    x = 9,167,494,828.09/99,077.20
  6. Step 6: Final answer
    x = 92,528.80

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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.