Home / 55,601.57-76,730.81-30,108.52

Finding the Fourth Proportional to 55,601.57, 76,730.81 and 30,108.52

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Solution

The fourth proportional to 55,601.57, 76,730.81 and 30,108.52 is: 41,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.57 : 76,730.81 = 30,108.52 : x
  2. Step 2: Convert to fraction form
    55,601.57/76,730.81 = 30,108.52/x
  3. Step 3: Cross multiply
    55,601.57x = 76,730.81 × 30,108.52
  4. Step 4: Simplify right side
    55,601.57x = 2,310,250,785.13
  5. Step 5: Solve for x
    x = 2,310,250,785.13/55,601.57
  6. Step 6: Final answer
    x = 41,550.10

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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.