Home / 81,530.33-112,484.95-49,252.86

Finding the Fourth Proportional to 81,530.33, 112,484.95 and 49,252.86

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Solution

The fourth proportional to 81,530.33, 112,484.95 and 49,252.86 is: 67,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.33 : 112,484.95 = 49,252.86 : x
  2. Step 2: Convert to fraction form
    81,530.33/112,484.95 = 49,252.86/x
  3. Step 3: Cross multiply
    81,530.33x = 112,484.95 × 49,252.86
  4. Step 4: Simplify right side
    81,530.33x = 5,540,205,371.32
  5. Step 5: Solve for x
    x = 5,540,205,371.32/81,530.33
  6. Step 6: Final answer
    x = 67,952.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.