Home / 61,063.20-84,272.56-34,205.28

Finding the Fourth Proportional to 61,063.20, 84,272.56 and 34,205.28

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Solution

The fourth proportional to 61,063.20, 84,272.56 and 34,205.28 is: 47,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.20 : 84,272.56 = 34,205.28 : x
  2. Step 2: Convert to fraction form
    61,063.20/84,272.56 = 34,205.28/x
  3. Step 3: Cross multiply
    61,063.20x = 84,272.56 × 34,205.28
  4. Step 4: Simplify right side
    61,063.20x = 2,882,566,511.12
  5. Step 5: Solve for x
    x = 2,882,566,511.12/61,063.20
  6. Step 6: Final answer
    x = 47,206.28

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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.