Home / 85,115.84-127,682.20-32,569.52

Finding the Fourth Proportional to 85,115.84, 127,682.20 and 32,569.52

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Solution

The fourth proportional to 85,115.84, 127,682.20 and 32,569.52 is: 48,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115.84 : 127,682.20 = 32,569.52 : x
  2. Step 2: Convert to fraction form
    85,115.84/127,682.20 = 32,569.52/x
  3. Step 3: Cross multiply
    85,115.84x = 127,682.20 × 32,569.52
  4. Step 4: Simplify right side
    85,115.84x = 4,158,547,966.54
  5. Step 5: Solve for x
    x = 4,158,547,966.54/85,115.84
  6. Step 6: Final answer
    x = 48,857.51

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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.