Home / 74,250.16-102,466-40,258.72

Finding the Fourth Proportional to 74,250.16, 102,466 and 40,258.72

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Solution

The fourth proportional to 74,250.16, 102,466 and 40,258.72 is: 55,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.16 : 102,466 = 40,258.72 : x
  2. Step 2: Convert to fraction form
    74,250.16/102,466 = 40,258.72/x
  3. Step 3: Cross multiply
    74,250.16x = 102,466 × 40,258.72
  4. Step 4: Simplify right side
    74,250.16x = 4,125,150,003.52
  5. Step 5: Solve for x
    x = 4,125,150,003.52/74,250.16
  6. Step 6: Final answer
    x = 55,557.46

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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.