Home / 75,048.12-103,564.98-41,514.12

Finding the Fourth Proportional to 75,048.12, 103,564.98 and 41,514.12

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Solution

The fourth proportional to 75,048.12, 103,564.98 and 41,514.12 is: 57,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.12 : 103,564.98 = 41,514.12 : x
  2. Step 2: Convert to fraction form
    75,048.12/103,564.98 = 41,514.12/x
  3. Step 3: Cross multiply
    75,048.12x = 103,564.98 × 41,514.12
  4. Step 4: Simplify right side
    75,048.12x = 4,299,409,007.52
  5. Step 5: Solve for x
    x = 4,299,409,007.52/75,048.12
  6. Step 6: Final answer
    x = 57,288.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.