Home / 55,587.74-76,723-35,439.98

Finding the Fourth Proportional to 55,587.74, 76,723 and 35,439.98

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Solution

The fourth proportional to 55,587.74, 76,723 and 35,439.98 is: 48,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.74 : 76,723 = 35,439.98 : x
  2. Step 2: Convert to fraction form
    55,587.74/76,723 = 35,439.98/x
  3. Step 3: Cross multiply
    55,587.74x = 76,723 × 35,439.98
  4. Step 4: Simplify right side
    55,587.74x = 2,719,061,585.54
  5. Step 5: Solve for x
    x = 2,719,061,585.54/55,587.74
  6. Step 6: Final answer
    x = 48,914.77

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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.