Home / 74,621.61-102,944.55-50,414.79

Finding the Fourth Proportional to 74,621.61, 102,944.55 and 50,414.79

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Solution

The fourth proportional to 74,621.61, 102,944.55 and 50,414.79 is: 69,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.61 : 102,944.55 = 50,414.79 : x
  2. Step 2: Convert to fraction form
    74,621.61/102,944.55 = 50,414.79/x
  3. Step 3: Cross multiply
    74,621.61x = 102,944.55 × 50,414.79
  4. Step 4: Simplify right side
    74,621.61x = 5,189,927,869.89
  5. Step 5: Solve for x
    x = 5,189,927,869.89/74,621.61
  6. Step 6: Final answer
    x = 69,549.93

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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.