Home / 62,419.80-86,139.57-34,125.96

Finding the Fourth Proportional to 62,419.80, 86,139.57 and 34,125.96

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Solution

The fourth proportional to 62,419.80, 86,139.57 and 34,125.96 is: 47,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,419.80 : 86,139.57 = 34,125.96 : x
  2. Step 2: Convert to fraction form
    62,419.80/86,139.57 = 34,125.96/x
  3. Step 3: Cross multiply
    62,419.80x = 86,139.57 × 34,125.96
  4. Step 4: Simplify right side
    62,419.80x = 2,939,595,520.24
  5. Step 5: Solve for x
    x = 2,939,595,520.24/62,419.80
  6. Step 6: Final answer
    x = 47,093.96

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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.