Home / 74,975.89-103,425.78-48,088.48

Finding the Fourth Proportional to 74,975.89, 103,425.78 and 48,088.48

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Solution

The fourth proportional to 74,975.89, 103,425.78 and 48,088.48 is: 66,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.89 : 103,425.78 = 48,088.48 : x
  2. Step 2: Convert to fraction form
    74,975.89/103,425.78 = 48,088.48/x
  3. Step 3: Cross multiply
    74,975.89x = 103,425.78 × 48,088.48
  4. Step 4: Simplify right side
    74,975.89x = 4,973,588,553.01
  5. Step 5: Solve for x
    x = 4,973,588,553.01/74,975.89
  6. Step 6: Final answer
    x = 66,335.84

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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.