Home / 62,163.36-85,727.52-40,905.72

Finding the Fourth Proportional to 62,163.36, 85,727.52 and 40,905.72

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Solution

The fourth proportional to 62,163.36, 85,727.52 and 40,905.72 is: 56,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.36 : 85,727.52 = 40,905.72 : x
  2. Step 2: Convert to fraction form
    62,163.36/85,727.52 = 40,905.72/x
  3. Step 3: Cross multiply
    62,163.36x = 85,727.52 × 40,905.72
  4. Step 4: Simplify right side
    62,163.36x = 3,506,745,929.41
  5. Step 5: Solve for x
    x = 3,506,745,929.41/62,163.36
  6. Step 6: Final answer
    x = 56,411.78

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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.