Home / 70,628.14-97,443.04-39,997.04

Finding the Fourth Proportional to 70,628.14, 97,443.04 and 39,997.04

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Solution

The fourth proportional to 70,628.14, 97,443.04 and 39,997.04 is: 55,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,628.14 : 97,443.04 = 39,997.04 : x
  2. Step 2: Convert to fraction form
    70,628.14/97,443.04 = 39,997.04/x
  3. Step 3: Cross multiply
    70,628.14x = 97,443.04 × 39,997.04
  4. Step 4: Simplify right side
    70,628.14x = 3,897,433,168.60
  5. Step 5: Solve for x
    x = 3,897,433,168.60/70,628.14
  6. Step 6: Final answer
    x = 55,182.44

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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.