Home / 70,989.24-97,965.54-39,158.13

Finding the Fourth Proportional to 70,989.24, 97,965.54 and 39,158.13

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Solution

The fourth proportional to 70,989.24, 97,965.54 and 39,158.13 is: 54,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,989.24 : 97,965.54 = 39,158.13 : x
  2. Step 2: Convert to fraction form
    70,989.24/97,965.54 = 39,158.13/x
  3. Step 3: Cross multiply
    70,989.24x = 97,965.54 × 39,158.13
  4. Step 4: Simplify right side
    70,989.24x = 3,836,147,350.84
  5. Step 5: Solve for x
    x = 3,836,147,350.84/70,989.24
  6. Step 6: Final answer
    x = 54,038.43

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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.