Home / 54,838.59-75,677.49-29,688.09

Finding the Fourth Proportional to 54,838.59, 75,677.49 and 29,688.09

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Solution

The fourth proportional to 54,838.59, 75,677.49 and 29,688.09 is: 40,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.59 : 75,677.49 = 29,688.09 : x
  2. Step 2: Convert to fraction form
    54,838.59/75,677.49 = 29,688.09/x
  3. Step 3: Cross multiply
    54,838.59x = 75,677.49 × 29,688.09
  4. Step 4: Simplify right side
    54,838.59x = 2,246,720,134.09
  5. Step 5: Solve for x
    x = 2,246,720,134.09/54,838.59
  6. Step 6: Final answer
    x = 40,969.69

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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.