Home / 99,681.23-149,521.14-36,505.69

Finding the Fourth Proportional to 99,681.23, 149,521.14 and 36,505.69

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Solution

The fourth proportional to 99,681.23, 149,521.14 and 36,505.69 is: 54,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,681.23 : 149,521.14 = 36,505.69 : x
  2. Step 2: Convert to fraction form
    99,681.23/149,521.14 = 36,505.69/x
  3. Step 3: Cross multiply
    99,681.23x = 149,521.14 × 36,505.69
  4. Step 4: Simplify right side
    99,681.23x = 5,458,372,011.48
  5. Step 5: Solve for x
    x = 5,458,372,011.48/99,681.23
  6. Step 6: Final answer
    x = 54,758.27

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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.