Home / 70,215.91-96,897.77-40,001.29

Finding the Fourth Proportional to 70,215.91, 96,897.77 and 40,001.29

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Solution

The fourth proportional to 70,215.91, 96,897.77 and 40,001.29 is: 55,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215.91 : 96,897.77 = 40,001.29 : x
  2. Step 2: Convert to fraction form
    70,215.91/96,897.77 = 40,001.29/x
  3. Step 3: Cross multiply
    70,215.91x = 96,897.77 × 40,001.29
  4. Step 4: Simplify right side
    70,215.91x = 3,876,036,050.93
  5. Step 5: Solve for x
    x = 3,876,036,050.93/70,215.91
  6. Step 6: Final answer
    x = 55,201.68

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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.