Home / 54,838.76-75,677.49-29,688.26

Finding the Fourth Proportional to 54,838.76, 75,677.49 and 29,688.26

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Solution

The fourth proportional to 54,838.76, 75,677.49 and 29,688.26 is: 40,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.76 : 75,677.49 = 29,688.26 : x
  2. Step 2: Convert to fraction form
    54,838.76/75,677.49 = 29,688.26/x
  3. Step 3: Cross multiply
    54,838.76x = 75,677.49 × 29,688.26
  4. Step 4: Simplify right side
    54,838.76x = 2,246,732,620.88
  5. Step 5: Solve for x
    x = 2,246,732,620.88/54,838.76
  6. Step 6: Final answer
    x = 40,969.80

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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.