Home / 45,123.89-67,673.36-25,108.79

Finding the Fourth Proportional to 45,123.89, 67,673.36 and 25,108.79

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Solution

The fourth proportional to 45,123.89, 67,673.36 and 25,108.79 is: 37,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.89 : 67,673.36 = 25,108.79 : x
  2. Step 2: Convert to fraction form
    45,123.89/67,673.36 = 25,108.79/x
  3. Step 3: Cross multiply
    45,123.89x = 67,673.36 × 25,108.79
  4. Step 4: Simplify right side
    45,123.89x = 1,699,195,720.92
  5. Step 5: Solve for x
    x = 1,699,195,720.92/45,123.89
  6. Step 6: Final answer
    x = 37,656.24

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1.5x scale

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.