Home / 55,276.70-76,294.14-35,129.64

Finding the Fourth Proportional to 55,276.70, 76,294.14 and 35,129.64

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Solution

The fourth proportional to 55,276.70, 76,294.14 and 35,129.64 is: 48,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.70 : 76,294.14 = 35,129.64 : x
  2. Step 2: Convert to fraction form
    55,276.70/76,294.14 = 35,129.64/x
  3. Step 3: Cross multiply
    55,276.70x = 76,294.14 × 35,129.64
  4. Step 4: Simplify right side
    55,276.70x = 2,680,185,672.31
  5. Step 5: Solve for x
    x = 2,680,185,672.31/55,276.70
  6. Step 6: Final answer
    x = 48,486.72

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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.