Home / 85,186.84-127,780.26-32,612.44

Finding the Fourth Proportional to 85,186.84, 127,780.26 and 32,612.44

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Solution

The fourth proportional to 85,186.84, 127,780.26 and 32,612.44 is: 48,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,186.84 : 127,780.26 = 32,612.44 : x
  2. Step 2: Convert to fraction form
    85,186.84/127,780.26 = 32,612.44/x
  3. Step 3: Cross multiply
    85,186.84x = 127,780.26 × 32,612.44
  4. Step 4: Simplify right side
    85,186.84x = 4,167,226,062.43
  5. Step 5: Solve for x
    x = 4,167,226,062.43/85,186.84
  6. Step 6: Final answer
    x = 48,918.66

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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.