Home / 74,614.09-111,888.33-39,545.68

Finding the Fourth Proportional to 74,614.09, 111,888.33 and 39,545.68

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Solution

The fourth proportional to 74,614.09, 111,888.33 and 39,545.68 is: 59,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.09 : 111,888.33 = 39,545.68 : x
  2. Step 2: Convert to fraction form
    74,614.09/111,888.33 = 39,545.68/x
  3. Step 3: Cross multiply
    74,614.09x = 111,888.33 × 39,545.68
  4. Step 4: Simplify right side
    74,614.09x = 4,424,700,093.91
  5. Step 5: Solve for x
    x = 4,424,700,093.91/74,614.09
  6. Step 6: Final answer
    x = 59,301.13

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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.