Home / 55,724.61-76,834.12-45,615.81

Finding the Fourth Proportional to 55,724.61, 76,834.12 and 45,615.81

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Solution

The fourth proportional to 55,724.61, 76,834.12 and 45,615.81 is: 62,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.61 : 76,834.12 = 45,615.81 : x
  2. Step 2: Convert to fraction form
    55,724.61/76,834.12 = 45,615.81/x
  3. Step 3: Cross multiply
    55,724.61x = 76,834.12 × 45,615.81
  4. Step 4: Simplify right side
    55,724.61x = 3,504,850,619.44
  5. Step 5: Solve for x
    x = 3,504,850,619.44/55,724.61
  6. Step 6: Final answer
    x = 62,895.92

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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.