Home / 47,886.60-66,081.96-26,664.72

Finding the Fourth Proportional to 47,886.60, 66,081.96 and 26,664.72

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Solution

The fourth proportional to 47,886.60, 66,081.96 and 26,664.72 is: 36,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,886.60 : 66,081.96 = 26,664.72 : x
  2. Step 2: Convert to fraction form
    47,886.60/66,081.96 = 26,664.72/x
  3. Step 3: Cross multiply
    47,886.60x = 66,081.96 × 26,664.72
  4. Step 4: Simplify right side
    47,886.60x = 1,762,056,960.45
  5. Step 5: Solve for x
    x = 1,762,056,960.45/47,886.60
  6. Step 6: Final answer
    x = 36,796.45

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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.