Home / 70,239.48-96,919.60-40,026.07

Finding the Fourth Proportional to 70,239.48, 96,919.60 and 40,026.07

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Solution

The fourth proportional to 70,239.48, 96,919.60 and 40,026.07 is: 55,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,239.48 : 96,919.60 = 40,026.07 : x
  2. Step 2: Convert to fraction form
    70,239.48/96,919.60 = 40,026.07/x
  3. Step 3: Cross multiply
    70,239.48x = 96,919.60 × 40,026.07
  4. Step 4: Simplify right side
    70,239.48x = 3,879,310,693.97
  5. Step 5: Solve for x
    x = 3,879,310,693.97/70,239.48
  6. Step 6: Final answer
    x = 55,229.78

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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.