Home / 84,754.08-127,143-25,583.04

Finding the Fourth Proportional to 84,754.08, 127,143 and 25,583.04

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Solution

The fourth proportional to 84,754.08, 127,143 and 25,583.04 is: 38,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.08 : 127,143 = 25,583.04 : x
  2. Step 2: Convert to fraction form
    84,754.08/127,143 = 25,583.04/x
  3. Step 3: Cross multiply
    84,754.08x = 127,143 × 25,583.04
  4. Step 4: Simplify right side
    84,754.08x = 3,252,704,454.72
  5. Step 5: Solve for x
    x = 3,252,704,454.72/84,754.08
  6. Step 6: Final answer
    x = 38,378.15

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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.