Home / 84,756.72-127,155.60-25,588.86

Finding the Fourth Proportional to 84,756.72, 127,155.60 and 25,588.86

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Solution

The fourth proportional to 84,756.72, 127,155.60 and 25,588.86 is: 38,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,756.72 : 127,155.60 = 25,588.86 : x
  2. Step 2: Convert to fraction form
    84,756.72/127,155.60 = 25,588.86/x
  3. Step 3: Cross multiply
    84,756.72x = 127,155.60 × 25,588.86
  4. Step 4: Simplify right side
    84,756.72x = 3,253,766,846.62
  5. Step 5: Solve for x
    x = 3,253,766,846.62/84,756.72
  6. Step 6: Final answer
    x = 38,389.49

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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.