Home / 124,430.85-186,514.25-61,161.75

Finding the Fourth Proportional to 124,430.85, 186,514.25 and 61,161.75

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Solution

The fourth proportional to 124,430.85, 186,514.25 and 61,161.75 is: 91,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,430.85 : 186,514.25 = 61,161.75 : x
  2. Step 2: Convert to fraction form
    124,430.85/186,514.25 = 61,161.75/x
  3. Step 3: Cross multiply
    124,430.85x = 186,514.25 × 61,161.75
  4. Step 4: Simplify right side
    124,430.85x = 11,407,537,624.13
  5. Step 5: Solve for x
    x = 11,407,537,624.13/124,430.85
  6. Step 6: Final answer
    x = 91,677.73

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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.