Home / 109,327.14-163,886.13-42,745.14

Finding the Fourth Proportional to 109,327.14, 163,886.13 and 42,745.14

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Solution

The fourth proportional to 109,327.14, 163,886.13 and 42,745.14 is: 64,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,327.14 : 163,886.13 = 42,745.14 : x
  2. Step 2: Convert to fraction form
    109,327.14/163,886.13 = 42,745.14/x
  3. Step 3: Cross multiply
    109,327.14x = 163,886.13 × 42,745.14
  4. Step 4: Simplify right side
    109,327.14x = 7,005,335,570.91
  5. Step 5: Solve for x
    x = 7,005,335,570.91/109,327.14
  6. Step 6: Final answer
    x = 64,076.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.