Home / 54,193.55-74,812.64-40,769.91

Finding the Fourth Proportional to 54,193.55, 74,812.64 and 40,769.91

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Solution

The fourth proportional to 54,193.55, 74,812.64 and 40,769.91 is: 56,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.55 : 74,812.64 = 40,769.91 : x
  2. Step 2: Convert to fraction form
    54,193.55/74,812.64 = 40,769.91/x
  3. Step 3: Cross multiply
    54,193.55x = 74,812.64 × 40,769.91
  4. Step 4: Simplify right side
    54,193.55x = 3,050,104,395.81
  5. Step 5: Solve for x
    x = 3,050,104,395.81/54,193.55
  6. Step 6: Final answer
    x = 56,281.69

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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.