Home / 54,099.89-74,678.67-48,424.62

Finding the Fourth Proportional to 54,099.89, 74,678.67 and 48,424.62

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Solution

The fourth proportional to 54,099.89, 74,678.67 and 48,424.62 is: 66,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.89 : 74,678.67 = 48,424.62 : x
  2. Step 2: Convert to fraction form
    54,099.89/74,678.67 = 48,424.62/x
  3. Step 3: Cross multiply
    54,099.89x = 74,678.67 × 48,424.62
  4. Step 4: Simplify right side
    54,099.89x = 3,616,286,216.86
  5. Step 5: Solve for x
    x = 3,616,286,216.86/54,099.89
  6. Step 6: Final answer
    x = 66,844.62

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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.