Home / 55,785.68-76,984.33-30,292.10

Finding the Fourth Proportional to 55,785.68, 76,984.33 and 30,292.10

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Solution

The fourth proportional to 55,785.68, 76,984.33 and 30,292.10 is: 41,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.68 : 76,984.33 = 30,292.10 : x
  2. Step 2: Convert to fraction form
    55,785.68/76,984.33 = 30,292.10/x
  3. Step 3: Cross multiply
    55,785.68x = 76,984.33 × 30,292.10
  4. Step 4: Simplify right side
    55,785.68x = 2,332,017,022.79
  5. Step 5: Solve for x
    x = 2,332,017,022.79/55,785.68
  6. Step 6: Final answer
    x = 41,803.15

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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.