Home / 70,282.12-96,991.64-40,066.89

Finding the Fourth Proportional to 70,282.12, 96,991.64 and 40,066.89

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Solution

The fourth proportional to 70,282.12, 96,991.64 and 40,066.89 is: 55,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.12 : 96,991.64 = 40,066.89 : x
  2. Step 2: Convert to fraction form
    70,282.12/96,991.64 = 40,066.89/x
  3. Step 3: Cross multiply
    70,282.12x = 96,991.64 × 40,066.89
  4. Step 4: Simplify right side
    70,282.12x = 3,886,153,370.80
  5. Step 5: Solve for x
    x = 3,886,153,370.80/70,282.12
  6. Step 6: Final answer
    x = 55,293.63

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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.