Home / 52,467.20-78,895.20-43,913.60

Finding the Fourth Proportional to 52,467.20, 78,895.20 and 43,913.60

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Solution

The fourth proportional to 52,467.20, 78,895.20 and 43,913.60 is: 66,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,467.20 : 78,895.20 = 43,913.60 : x
  2. Step 2: Convert to fraction form
    52,467.20/78,895.20 = 43,913.60/x
  3. Step 3: Cross multiply
    52,467.20x = 78,895.20 × 43,913.60
  4. Step 4: Simplify right side
    52,467.20x = 3,464,572,254.72
  5. Step 5: Solve for x
    x = 3,464,572,254.72/52,467.20
  6. Step 6: Final answer
    x = 66,033.11

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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.