Home / 54,314.15-74,956.69-40,861.36

Finding the Fourth Proportional to 54,314.15, 74,956.69 and 40,861.36

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Solution

The fourth proportional to 54,314.15, 74,956.69 and 40,861.36 is: 56,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.15 : 74,956.69 = 40,861.36 : x
  2. Step 2: Convert to fraction form
    54,314.15/74,956.69 = 40,861.36/x
  3. Step 3: Cross multiply
    54,314.15x = 74,956.69 × 40,861.36
  4. Step 4: Simplify right side
    54,314.15x = 3,062,832,439.27
  5. Step 5: Solve for x
    x = 3,062,832,439.27/54,314.15
  6. Step 6: Final answer
    x = 56,391.06

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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.