Home / 76,823.01-106,104.03-51,284.91

Finding the Fourth Proportional to 76,823.01, 106,104.03 and 51,284.91

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Solution

The fourth proportional to 76,823.01, 106,104.03 and 51,284.91 is: 70,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,823.01 : 106,104.03 = 51,284.91 : x
  2. Step 2: Convert to fraction form
    76,823.01/106,104.03 = 51,284.91/x
  3. Step 3: Cross multiply
    76,823.01x = 106,104.03 × 51,284.91
  4. Step 4: Simplify right side
    76,823.01x = 5,441,535,629.19
  5. Step 5: Solve for x
    x = 5,441,535,629.19/76,823.01
  6. Step 6: Final answer
    x = 70,832.11

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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.