Home / 85,053.52-127,607.60-25,900.64

Finding the Fourth Proportional to 85,053.52, 127,607.60 and 25,900.64

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Solution

The fourth proportional to 85,053.52, 127,607.60 and 25,900.64 is: 38,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,053.52 : 127,607.60 = 25,900.64 : x
  2. Step 2: Convert to fraction form
    85,053.52/127,607.60 = 25,900.64/x
  3. Step 3: Cross multiply
    85,053.52x = 127,607.60 × 25,900.64
  4. Step 4: Simplify right side
    85,053.52x = 3,305,118,508.86
  5. Step 5: Solve for x
    x = 3,305,118,508.86/85,053.52
  6. Step 6: Final answer
    x = 38,859.28

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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.