Home / 55,945.32-77,205.06-30,794.92

Finding the Fourth Proportional to 55,945.32, 77,205.06 and 30,794.92

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Solution

The fourth proportional to 55,945.32, 77,205.06 and 30,794.92 is: 42,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.32 : 77,205.06 = 30,794.92 : x
  2. Step 2: Convert to fraction form
    55,945.32/77,205.06 = 30,794.92/x
  3. Step 3: Cross multiply
    55,945.32x = 77,205.06 × 30,794.92
  4. Step 4: Simplify right side
    55,945.32x = 2,377,523,646.30
  5. Step 5: Solve for x
    x = 2,377,523,646.30/55,945.32
  6. Step 6: Final answer
    x = 42,497.27

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Double scale
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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.