Home / 81,276.03-112,205.99-55,797.48

Finding the Fourth Proportional to 81,276.03, 112,205.99 and 55,797.48

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Solution

The fourth proportional to 81,276.03, 112,205.99 and 55,797.48 is: 77,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,276.03 : 112,205.99 = 55,797.48 : x
  2. Step 2: Convert to fraction form
    81,276.03/112,205.99 = 55,797.48/x
  3. Step 3: Cross multiply
    81,276.03x = 112,205.99 × 55,797.48
  4. Step 4: Simplify right side
    81,276.03x = 6,260,811,482.91
  5. Step 5: Solve for x
    x = 6,260,811,482.91/81,276.03
  6. Step 6: Final answer
    x = 77,031.46

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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.