Home / 74,946.06-103,425.39-43,121.22

Finding the Fourth Proportional to 74,946.06, 103,425.39 and 43,121.22

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Solution

The fourth proportional to 74,946.06, 103,425.39 and 43,121.22 is: 59,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.06 : 103,425.39 = 43,121.22 : x
  2. Step 2: Convert to fraction form
    74,946.06/103,425.39 = 43,121.22/x
  3. Step 3: Cross multiply
    74,946.06x = 103,425.39 × 43,121.22
  4. Step 4: Simplify right side
    74,946.06x = 4,459,828,995.78
  5. Step 5: Solve for x
    x = 4,459,828,995.78/74,946.06
  6. Step 6: Final answer
    x = 59,507.18

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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.