Home / 70,308.03-97,025.01-39,687.57

Finding the Fourth Proportional to 70,308.03, 97,025.01 and 39,687.57

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Solution

The fourth proportional to 70,308.03, 97,025.01 and 39,687.57 is: 54,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,308.03 : 97,025.01 = 39,687.57 : x
  2. Step 2: Convert to fraction form
    70,308.03/97,025.01 = 39,687.57/x
  3. Step 3: Cross multiply
    70,308.03x = 97,025.01 × 39,687.57
  4. Step 4: Simplify right side
    70,308.03x = 3,850,686,876.13
  5. Step 5: Solve for x
    x = 3,850,686,876.13/70,308.03
  6. Step 6: Final answer
    x = 54,768.81

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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.