Home / 72,945.39-100,663.25-41,113.65

Finding the Fourth Proportional to 72,945.39, 100,663.25 and 41,113.65

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Solution

The fourth proportional to 72,945.39, 100,663.25 and 41,113.65 is: 56,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,945.39 : 100,663.25 = 41,113.65 : x
  2. Step 2: Convert to fraction form
    72,945.39/100,663.25 = 41,113.65/x
  3. Step 3: Cross multiply
    72,945.39x = 100,663.25 × 41,113.65
  4. Step 4: Simplify right side
    72,945.39x = 4,138,633,422.79
  5. Step 5: Solve for x
    x = 4,138,633,422.79/72,945.39
  6. Step 6: Final answer
    x = 56,736.05

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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.