Home / 48,118.44-66,370.50-31,374.12

Finding the Fourth Proportional to 48,118.44, 66,370.50 and 31,374.12

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Solution

The fourth proportional to 48,118.44, 66,370.50 and 31,374.12 is: 43,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.44 : 66,370.50 = 31,374.12 : x
  2. Step 2: Convert to fraction form
    48,118.44/66,370.50 = 31,374.12/x
  3. Step 3: Cross multiply
    48,118.44x = 66,370.50 × 31,374.12
  4. Step 4: Simplify right side
    48,118.44x = 2,082,316,031.46
  5. Step 5: Solve for x
    x = 2,082,316,031.46/48,118.44
  6. Step 6: Final answer
    x = 43,274.80

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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.