Home / 97,859.82-135,073.14-57,586.53

Finding the Fourth Proportional to 97,859.82, 135,073.14 and 57,586.53

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Solution

The fourth proportional to 97,859.82, 135,073.14 and 57,586.53 is: 79,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,859.82 : 135,073.14 = 57,586.53 : x
  2. Step 2: Convert to fraction form
    97,859.82/135,073.14 = 57,586.53/x
  3. Step 3: Cross multiply
    97,859.82x = 135,073.14 × 57,586.53
  4. Step 4: Simplify right side
    97,859.82x = 7,778,393,428.80
  5. Step 5: Solve for x
    x = 7,778,393,428.80/97,859.82
  6. Step 6: Final answer
    x = 79,485.06

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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.