Home / 84,756.70-127,155.62-25,588.84

Finding the Fourth Proportional to 84,756.70, 127,155.62 and 25,588.84

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Solution

The fourth proportional to 84,756.70, 127,155.62 and 25,588.84 is: 38,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,756.70 : 127,155.62 = 25,588.84 : x
  2. Step 2: Convert to fraction form
    84,756.70/127,155.62 = 25,588.84/x
  3. Step 3: Cross multiply
    84,756.70x = 127,155.62 × 25,588.84
  4. Step 4: Simplify right side
    84,756.70x = 3,253,764,815.28
  5. Step 5: Solve for x
    x = 3,253,764,815.28/84,756.70
  6. Step 6: Final answer
    x = 38,389.47

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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.