Home / 89,237.96-123,150.02-48,953.78

Finding the Fourth Proportional to 89,237.96, 123,150.02 and 48,953.78

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Solution

The fourth proportional to 89,237.96, 123,150.02 and 48,953.78 is: 67,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.96 : 123,150.02 = 48,953.78 : x
  2. Step 2: Convert to fraction form
    89,237.96/123,150.02 = 48,953.78/x
  3. Step 3: Cross multiply
    89,237.96x = 123,150.02 × 48,953.78
  4. Step 4: Simplify right side
    89,237.96x = 6,028,658,125.56
  5. Step 5: Solve for x
    x = 6,028,658,125.56/89,237.96
  6. Step 6: Final answer
    x = 67,557.11

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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.