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Finding the Fourth Proportional to 88,562.74, 122,216.61 and 48,276.46

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Solution

The fourth proportional to 88,562.74, 122,216.61 and 48,276.46 is: 66,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,562.74 : 122,216.61 = 48,276.46 : x
  2. Step 2: Convert to fraction form
    88,562.74/122,216.61 = 48,276.46/x
  3. Step 3: Cross multiply
    88,562.74x = 122,216.61 × 48,276.46
  4. Step 4: Simplify right side
    88,562.74x = 5,900,185,284.00
  5. Step 5: Solve for x
    x = 5,900,185,284.00/88,562.74
  6. Step 6: Final answer
    x = 66,621.53

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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.