Home / 74,093.64-102,248.40-40,101.36

Finding the Fourth Proportional to 74,093.64, 102,248.40 and 40,101.36

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Solution

The fourth proportional to 74,093.64, 102,248.40 and 40,101.36 is: 55,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,093.64 : 102,248.40 = 40,101.36 : x
  2. Step 2: Convert to fraction form
    74,093.64/102,248.40 = 40,101.36/x
  3. Step 3: Cross multiply
    74,093.64x = 102,248.40 × 40,101.36
  4. Step 4: Simplify right side
    74,093.64x = 4,100,299,897.82
  5. Step 5: Solve for x
    x = 4,100,299,897.82/74,093.64
  6. Step 6: Final answer
    x = 55,339.43

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1.5x scale

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.