Home / 99,828.38-149,668.74-60,376.74

Finding the Fourth Proportional to 99,828.38, 149,668.74 and 60,376.74

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Solution

The fourth proportional to 99,828.38, 149,668.74 and 60,376.74 is: 90,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.38 : 149,668.74 = 60,376.74 : x
  2. Step 2: Convert to fraction form
    99,828.38/149,668.74 = 60,376.74/x
  3. Step 3: Cross multiply
    99,828.38x = 149,668.74 × 60,376.74
  4. Step 4: Simplify right side
    99,828.38x = 9,036,510,601.11
  5. Step 5: Solve for x
    x = 9,036,510,601.11/99,828.38
  6. Step 6: Final answer
    x = 90,520.46

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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.