Home / 112,844.04-155,765.22-77,008.44

Finding the Fourth Proportional to 112,844.04, 155,765.22 and 77,008.44

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Solution

The fourth proportional to 112,844.04, 155,765.22 and 77,008.44 is: 106,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844.04 : 155,765.22 = 77,008.44 : x
  2. Step 2: Convert to fraction form
    112,844.04/155,765.22 = 77,008.44/x
  3. Step 3: Cross multiply
    112,844.04x = 155,765.22 × 77,008.44
  4. Step 4: Simplify right side
    112,844.04x = 11,995,236,598.46
  5. Step 5: Solve for x
    x = 11,995,236,598.46/112,844.04
  6. Step 6: Final answer
    x = 106,299.25

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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.