Home / 74,250.17-102,464.80-40,258.32

Finding the Fourth Proportional to 74,250.17, 102,464.80 and 40,258.32

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Solution

The fourth proportional to 74,250.17, 102,464.80 and 40,258.32 is: 55,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.17 : 102,464.80 = 40,258.32 : x
  2. Step 2: Convert to fraction form
    74,250.17/102,464.80 = 40,258.32/x
  3. Step 3: Cross multiply
    74,250.17x = 102,464.80 × 40,258.32
  4. Step 4: Simplify right side
    74,250.17x = 4,125,060,222.25
  5. Step 5: Solve for x
    x = 4,125,060,222.25/74,250.17
  6. Step 6: Final answer
    x = 55,556.24

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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.