Home / 70,713.36-97,493.85-57,919.41

Finding the Fourth Proportional to 70,713.36, 97,493.85 and 57,919.41

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Solution

The fourth proportional to 70,713.36, 97,493.85 and 57,919.41 is: 79,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713.36 : 97,493.85 = 57,919.41 : x
  2. Step 2: Convert to fraction form
    70,713.36/97,493.85 = 57,919.41/x
  3. Step 3: Cross multiply
    70,713.36x = 97,493.85 × 57,919.41
  4. Step 4: Simplify right side
    70,713.36x = 5,646,786,270.63
  5. Step 5: Solve for x
    x = 5,646,786,270.63/70,713.36
  6. Step 6: Final answer
    x = 79,854.59

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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.