Home / 84,832.11-127,218.96-42,695.91

Finding the Fourth Proportional to 84,832.11, 127,218.96 and 42,695.91

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Solution

The fourth proportional to 84,832.11, 127,218.96 and 42,695.91 is: 64,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,832.11 : 127,218.96 = 42,695.91 : x
  2. Step 2: Convert to fraction form
    84,832.11/127,218.96 = 42,695.91/x
  3. Step 3: Cross multiply
    84,832.11x = 127,218.96 × 42,695.91
  4. Step 4: Simplify right side
    84,832.11x = 5,431,729,266.45
  5. Step 5: Solve for x
    x = 5,431,729,266.45/84,832.11
  6. Step 6: Final answer
    x = 64,029.17

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1.5x scale

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.