Home / 54,097.84-74,642.22-31,423.36

Finding the Fourth Proportional to 54,097.84, 74,642.22 and 31,423.36

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Solution

The fourth proportional to 54,097.84, 74,642.22 and 31,423.36 is: 43,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,097.84 : 74,642.22 = 31,423.36 : x
  2. Step 2: Convert to fraction form
    54,097.84/74,642.22 = 31,423.36/x
  3. Step 3: Cross multiply
    54,097.84x = 74,642.22 × 31,423.36
  4. Step 4: Simplify right side
    54,097.84x = 2,345,509,350.26
  5. Step 5: Solve for x
    x = 2,345,509,350.26/54,097.84
  6. Step 6: Final answer
    x = 43,356.80

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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.