Home / 86,324.79-119,186.94-54,072.74

Finding the Fourth Proportional to 86,324.79, 119,186.94 and 54,072.74

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Solution

The fourth proportional to 86,324.79, 119,186.94 and 54,072.74 is: 74,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,324.79 : 119,186.94 = 54,072.74 : x
  2. Step 2: Convert to fraction form
    86,324.79/119,186.94 = 54,072.74/x
  3. Step 3: Cross multiply
    86,324.79x = 119,186.94 × 54,072.74
  4. Step 4: Simplify right side
    86,324.79x = 6,444,764,418.02
  5. Step 5: Solve for x
    x = 6,444,764,418.02/86,324.79
  6. Step 6: Final answer
    x = 74,657.17

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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.