Home / 76,682.32-115,005.60-29,280.01

Finding the Fourth Proportional to 76,682.32, 115,005.60 and 29,280.01

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Solution

The fourth proportional to 76,682.32, 115,005.60 and 29,280.01 is: 43,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,682.32 : 115,005.60 = 29,280.01 : x
  2. Step 2: Convert to fraction form
    76,682.32/115,005.60 = 29,280.01/x
  3. Step 3: Cross multiply
    76,682.32x = 115,005.60 × 29,280.01
  4. Step 4: Simplify right side
    76,682.32x = 3,367,364,830.54
  5. Step 5: Solve for x
    x = 3,367,364,830.54/76,682.32
  6. Step 6: Final answer
    x = 43,913.18

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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.