Home / 54,348.70-74,966.66-39,263.51

Finding the Fourth Proportional to 54,348.70, 74,966.66 and 39,263.51

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Solution

The fourth proportional to 54,348.70, 74,966.66 and 39,263.51 is: 54,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.70 : 74,966.66 = 39,263.51 : x
  2. Step 2: Convert to fraction form
    54,348.70/74,966.66 = 39,263.51/x
  3. Step 3: Cross multiply
    54,348.70x = 74,966.66 × 39,263.51
  4. Step 4: Simplify right side
    54,348.70x = 2,943,454,352.93
  5. Step 5: Solve for x
    x = 2,943,454,352.93/54,348.70
  6. Step 6: Final answer
    x = 54,158.69

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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.