Home / 54,132.94-74,718.55-37,139.95

Finding the Fourth Proportional to 54,132.94, 74,718.55 and 37,139.95

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Solution

The fourth proportional to 54,132.94, 74,718.55 and 37,139.95 is: 51,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.94 : 74,718.55 = 37,139.95 : x
  2. Step 2: Convert to fraction form
    54,132.94/74,718.55 = 37,139.95/x
  3. Step 3: Cross multiply
    54,132.94x = 74,718.55 × 37,139.95
  4. Step 4: Simplify right side
    54,132.94x = 2,775,043,211.07
  5. Step 5: Solve for x
    x = 2,775,043,211.07/54,132.94
  6. Step 6: Final answer
    x = 51,263.49

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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.