Home / 70,243.22-96,935.64-38,412.14

Finding the Fourth Proportional to 70,243.22, 96,935.64 and 38,412.14

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Solution

The fourth proportional to 70,243.22, 96,935.64 and 38,412.14 is: 53,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,243.22 : 96,935.64 = 38,412.14 : x
  2. Step 2: Convert to fraction form
    70,243.22/96,935.64 = 38,412.14/x
  3. Step 3: Cross multiply
    70,243.22x = 96,935.64 × 38,412.14
  4. Step 4: Simplify right side
    70,243.22x = 3,723,505,374.67
  5. Step 5: Solve for x
    x = 3,723,505,374.67/70,243.22
  6. Step 6: Final answer
    x = 53,008.75

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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.