Home / 84,722.45-127,084.58-25,558.63

Finding the Fourth Proportional to 84,722.45, 127,084.58 and 25,558.63

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Solution

The fourth proportional to 84,722.45, 127,084.58 and 25,558.63 is: 38,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.45 : 127,084.58 = 25,558.63 : x
  2. Step 2: Convert to fraction form
    84,722.45/127,084.58 = 25,558.63/x
  3. Step 3: Cross multiply
    84,722.45x = 127,084.58 × 25,558.63
  4. Step 4: Simplify right side
    84,722.45x = 3,248,107,758.93
  5. Step 5: Solve for x
    x = 3,248,107,758.93/84,722.45
  6. Step 6: Final answer
    x = 38,338.22

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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.