Home / 89,289.02-123,218.48-49,003.44

Finding the Fourth Proportional to 89,289.02, 123,218.48 and 49,003.44

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Solution

The fourth proportional to 89,289.02, 123,218.48 and 49,003.44 is: 67,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,289.02 : 123,218.48 = 49,003.44 : x
  2. Step 2: Convert to fraction form
    89,289.02/123,218.48 = 49,003.44/x
  3. Step 3: Cross multiply
    89,289.02x = 123,218.48 × 49,003.44
  4. Step 4: Simplify right side
    89,289.02x = 6,038,129,146.55
  5. Step 5: Solve for x
    x = 6,038,129,146.55/89,289.02
  6. Step 6: Final answer
    x = 67,624.55

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1.5x scale

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.