Home / 74,976.89-103,427.16-48,089.48

Finding the Fourth Proportional to 74,976.89, 103,427.16 and 48,089.48

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Solution

The fourth proportional to 74,976.89, 103,427.16 and 48,089.48 is: 66,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.89 : 103,427.16 = 48,089.48 : x
  2. Step 2: Convert to fraction form
    74,976.89/103,427.16 = 48,089.48/x
  3. Step 3: Cross multiply
    74,976.89x = 103,427.16 × 48,089.48
  4. Step 4: Simplify right side
    74,976.89x = 4,973,758,342.28
  5. Step 5: Solve for x
    x = 4,973,758,342.28/74,976.89
  6. Step 6: Final answer
    x = 66,337.22

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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.