Home / 70,989.24-97,965.54-39,158.14

Finding the Fourth Proportional to 70,989.24, 97,965.54 and 39,158.14

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Solution

The fourth proportional to 70,989.24, 97,965.54 and 39,158.14 is: 54,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,989.24 : 97,965.54 = 39,158.14 : x
  2. Step 2: Convert to fraction form
    70,989.24/97,965.54 = 39,158.14/x
  3. Step 3: Cross multiply
    70,989.24x = 97,965.54 × 39,158.14
  4. Step 4: Simplify right side
    70,989.24x = 3,836,148,330.50
  5. Step 5: Solve for x
    x = 3,836,148,330.50/70,989.24
  6. Step 6: Final answer
    x = 54,038.45

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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.