Home / 48,314.64-66,712.04-31,326.96

Finding the Fourth Proportional to 48,314.64, 66,712.04 and 31,326.96

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Solution

The fourth proportional to 48,314.64, 66,712.04 and 31,326.96 is: 43,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,314.64 : 66,712.04 = 31,326.96 : x
  2. Step 2: Convert to fraction form
    48,314.64/66,712.04 = 31,326.96/x
  3. Step 3: Cross multiply
    48,314.64x = 66,712.04 × 31,326.96
  4. Step 4: Simplify right side
    48,314.64x = 2,089,885,408.60
  5. Step 5: Solve for x
    x = 2,089,885,408.60/48,314.64
  6. Step 6: Final answer
    x = 43,255.74

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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.