Home / 76,422.70-114,634.05-48,429.10

Finding the Fourth Proportional to 76,422.70, 114,634.05 and 48,429.10

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Solution

The fourth proportional to 76,422.70, 114,634.05 and 48,429.10 is: 72,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.70 : 114,634.05 = 48,429.10 : x
  2. Step 2: Convert to fraction form
    76,422.70/114,634.05 = 48,429.10/x
  3. Step 3: Cross multiply
    76,422.70x = 114,634.05 × 48,429.10
  4. Step 4: Simplify right side
    76,422.70x = 5,551,623,870.86
  5. Step 5: Solve for x
    x = 5,551,623,870.86/76,422.70
  6. Step 6: Final answer
    x = 72,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.