Home / 76,868.12-106,080.64-44,600.30

Finding the Fourth Proportional to 76,868.12, 106,080.64 and 44,600.30

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Solution

The fourth proportional to 76,868.12, 106,080.64 and 44,600.30 is: 61,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.12 : 106,080.64 = 44,600.30 : x
  2. Step 2: Convert to fraction form
    76,868.12/106,080.64 = 44,600.30/x
  3. Step 3: Cross multiply
    76,868.12x = 106,080.64 × 44,600.30
  4. Step 4: Simplify right side
    76,868.12x = 4,731,228,720.79
  5. Step 5: Solve for x
    x = 4,731,228,720.79/76,868.12
  6. Step 6: Final answer
    x = 61,549.95

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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.