Home / 56,864.39-85,391.76-54,601.53

Finding the Fourth Proportional to 56,864.39, 85,391.76 and 54,601.53

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Solution

The fourth proportional to 56,864.39, 85,391.76 and 54,601.53 is: 81,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.39 : 85,391.76 = 54,601.53 : x
  2. Step 2: Convert to fraction form
    56,864.39/85,391.76 = 54,601.53/x
  3. Step 3: Cross multiply
    56,864.39x = 85,391.76 × 54,601.53
  4. Step 4: Simplify right side
    56,864.39x = 4,662,520,606.26
  5. Step 5: Solve for x
    x = 4,662,520,606.26/56,864.39
  6. Step 6: Final answer
    x = 81,993.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.