Home / 74,810.27-103,144.79-47,908.55

Finding the Fourth Proportional to 74,810.27, 103,144.79 and 47,908.55

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Solution

The fourth proportional to 74,810.27, 103,144.79 and 47,908.55 is: 66,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.27 : 103,144.79 = 47,908.55 : x
  2. Step 2: Convert to fraction form
    74,810.27/103,144.79 = 47,908.55/x
  3. Step 3: Cross multiply
    74,810.27x = 103,144.79 × 47,908.55
  4. Step 4: Simplify right side
    74,810.27x = 4,941,517,071.09
  5. Step 5: Solve for x
    x = 4,941,517,071.09/74,810.27
  6. Step 6: Final answer
    x = 66,054.00

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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.