Home / 85,305.86-127,977.51-26,145.98

Finding the Fourth Proportional to 85,305.86, 127,977.51 and 26,145.98

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Solution

The fourth proportional to 85,305.86, 127,977.51 and 26,145.98 is: 39,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,305.86 : 127,977.51 = 26,145.98 : x
  2. Step 2: Convert to fraction form
    85,305.86/127,977.51 = 26,145.98/x
  3. Step 3: Cross multiply
    85,305.86x = 127,977.51 × 26,145.98
  4. Step 4: Simplify right side
    85,305.86x = 3,346,097,416.91
  5. Step 5: Solve for x
    x = 3,346,097,416.91/85,305.86
  6. Step 6: Final answer
    x = 39,224.71

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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.