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Finding the Fourth Proportional to 88,842.96, 122,583.24 and 53,038.80

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Solution

The fourth proportional to 88,842.96, 122,583.24 and 53,038.80 is: 73,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.96 : 122,583.24 = 53,038.80 : x
  2. Step 2: Convert to fraction form
    88,842.96/122,583.24 = 53,038.80/x
  3. Step 3: Cross multiply
    88,842.96x = 122,583.24 × 53,038.80
  4. Step 4: Simplify right side
    88,842.96x = 6,501,667,949.71
  5. Step 5: Solve for x
    x = 6,501,667,949.71/88,842.96
  6. Step 6: Final answer
    x = 73,181.58

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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.