Home / 55,910.81-77,182.07-36,800.58

Finding the Fourth Proportional to 55,910.81, 77,182.07 and 36,800.58

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Solution

The fourth proportional to 55,910.81, 77,182.07 and 36,800.58 is: 50,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.81 : 77,182.07 = 36,800.58 : x
  2. Step 2: Convert to fraction form
    55,910.81/77,182.07 = 36,800.58/x
  3. Step 3: Cross multiply
    55,910.81x = 77,182.07 × 36,800.58
  4. Step 4: Simplify right side
    55,910.81x = 2,840,344,612.88
  5. Step 5: Solve for x
    x = 2,840,344,612.88/55,910.81
  6. Step 6: Final answer
    x = 50,801.35

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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.