Home / 56,439.48-84,673.35-39,831.95

Finding the Fourth Proportional to 56,439.48, 84,673.35 and 39,831.95

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Solution

The fourth proportional to 56,439.48, 84,673.35 and 39,831.95 is: 59,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.48 : 84,673.35 = 39,831.95 : x
  2. Step 2: Convert to fraction form
    56,439.48/84,673.35 = 39,831.95/x
  3. Step 3: Cross multiply
    56,439.48x = 84,673.35 × 39,831.95
  4. Step 4: Simplify right side
    56,439.48x = 3,372,704,855.22
  5. Step 5: Solve for x
    x = 3,372,704,855.22/56,439.48
  6. Step 6: Final answer
    x = 59,757.90

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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.