Home / 74,809.74-103,144.06-47,908.02

Finding the Fourth Proportional to 74,809.74, 103,144.06 and 47,908.02

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Solution

The fourth proportional to 74,809.74, 103,144.06 and 47,908.02 is: 66,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809.74 : 103,144.06 = 47,908.02 : x
  2. Step 2: Convert to fraction form
    74,809.74/103,144.06 = 47,908.02/x
  3. Step 3: Cross multiply
    74,809.74x = 103,144.06 × 47,908.02
  4. Step 4: Simplify right side
    74,809.74x = 4,941,427,053.87
  5. Step 5: Solve for x
    x = 4,941,427,053.87/74,809.74
  6. Step 6: Final answer
    x = 66,053.26

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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.