Home / 49,878.59-74,820.45-47,356.25

Finding the Fourth Proportional to 49,878.59, 74,820.45 and 47,356.25

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Solution

The fourth proportional to 49,878.59, 74,820.45 and 47,356.25 is: 71,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878.59 : 74,820.45 = 47,356.25 : x
  2. Step 2: Convert to fraction form
    49,878.59/74,820.45 = 47,356.25/x
  3. Step 3: Cross multiply
    49,878.59x = 74,820.45 × 47,356.25
  4. Step 4: Simplify right side
    49,878.59x = 3,543,215,935.31
  5. Step 5: Solve for x
    x = 3,543,215,935.31/49,878.59
  6. Step 6: Final answer
    x = 71,036.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.