Home / 54,115.42-74,700.16-48,440.16

Finding the Fourth Proportional to 54,115.42, 74,700.16 and 48,440.16

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Solution

The fourth proportional to 54,115.42, 74,700.16 and 48,440.16 is: 66,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.42 : 74,700.16 = 48,440.16 : x
  2. Step 2: Convert to fraction form
    54,115.42/74,700.16 = 48,440.16/x
  3. Step 3: Cross multiply
    54,115.42x = 74,700.16 × 48,440.16
  4. Step 4: Simplify right side
    54,115.42x = 3,618,487,328.92
  5. Step 5: Solve for x
    x = 3,618,487,328.92/54,115.42
  6. Step 6: Final answer
    x = 66,866.10

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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.