Home / 84,935.77-127,422.17-25,776.07

Finding the Fourth Proportional to 84,935.77, 127,422.17 and 25,776.07

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Solution

The fourth proportional to 84,935.77, 127,422.17 and 25,776.07 is: 38,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.77 : 127,422.17 = 25,776.07 : x
  2. Step 2: Convert to fraction form
    84,935.77/127,422.17 = 25,776.07/x
  3. Step 3: Cross multiply
    84,935.77x = 127,422.17 × 25,776.07
  4. Step 4: Simplify right side
    84,935.77x = 3,284,442,709.03
  5. Step 5: Solve for x
    x = 3,284,442,709.03/84,935.77
  6. Step 6: Final answer
    x = 38,669.72

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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.