Home / 70,982.28-97,972.65-42,682.50

Finding the Fourth Proportional to 70,982.28, 97,972.65 and 42,682.50

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Solution

The fourth proportional to 70,982.28, 97,972.65 and 42,682.50 is: 58,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.28 : 97,972.65 = 42,682.50 : x
  2. Step 2: Convert to fraction form
    70,982.28/97,972.65 = 42,682.50/x
  3. Step 3: Cross multiply
    70,982.28x = 97,972.65 × 42,682.50
  4. Step 4: Simplify right side
    70,982.28x = 4,181,717,633.63
  5. Step 5: Solve for x
    x = 4,181,717,633.63/70,982.28
  6. Step 6: Final answer
    x = 58,912.13

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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.