Home / 101,613.13-152,434.54-48,979.33

Finding the Fourth Proportional to 101,613.13, 152,434.54 and 48,979.33

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Solution

The fourth proportional to 101,613.13, 152,434.54 and 48,979.33 is: 73,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,613.13 : 152,434.54 = 48,979.33 : x
  2. Step 2: Convert to fraction form
    101,613.13/152,434.54 = 48,979.33/x
  3. Step 3: Cross multiply
    101,613.13x = 152,434.54 × 48,979.33
  4. Step 4: Simplify right side
    101,613.13x = 7,466,141,379.42
  5. Step 5: Solve for x
    x = 7,466,141,379.42/101,613.13
  6. Step 6: Final answer
    x = 73,476.15

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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.