Home / 70,266.09-96,965.73-38,433.90

Finding the Fourth Proportional to 70,266.09, 96,965.73 and 38,433.90

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Solution

The fourth proportional to 70,266.09, 96,965.73 and 38,433.90 is: 53,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266.09 : 96,965.73 = 38,433.90 : x
  2. Step 2: Convert to fraction form
    70,266.09/96,965.73 = 38,433.90/x
  3. Step 3: Cross multiply
    70,266.09x = 96,965.73 × 38,433.90
  4. Step 4: Simplify right side
    70,266.09x = 3,726,771,170.25
  5. Step 5: Solve for x
    x = 3,726,771,170.25/70,266.09
  6. Step 6: Final answer
    x = 53,037.98

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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.