Home / 55,778.82-76,947.75-36,931.74

Finding the Fourth Proportional to 55,778.82, 76,947.75 and 36,931.74

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Solution

The fourth proportional to 55,778.82, 76,947.75 and 36,931.74 is: 50,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.82 : 76,947.75 = 36,931.74 : x
  2. Step 2: Convert to fraction form
    55,778.82/76,947.75 = 36,931.74/x
  3. Step 3: Cross multiply
    55,778.82x = 76,947.75 × 36,931.74
  4. Step 4: Simplify right side
    55,778.82x = 2,841,814,296.59
  5. Step 5: Solve for x
    x = 2,841,814,296.59/55,778.82
  6. Step 6: Final answer
    x = 50,947.91

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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.