Home / 76,821.32-106,036.85-44,564.09

Finding the Fourth Proportional to 76,821.32, 106,036.85 and 44,564.09

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Solution

The fourth proportional to 76,821.32, 106,036.85 and 44,564.09 is: 61,512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,821.32 : 106,036.85 = 44,564.09 : x
  2. Step 2: Convert to fraction form
    76,821.32/106,036.85 = 44,564.09/x
  3. Step 3: Cross multiply
    76,821.32x = 106,036.85 × 44,564.09
  4. Step 4: Simplify right side
    76,821.32x = 4,725,434,973.71
  5. Step 5: Solve for x
    x = 4,725,434,973.71/76,821.32
  6. Step 6: Final answer
    x = 61,512.03

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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.