Home / 54,680.02-75,458.45-30,806.70

Finding the Fourth Proportional to 54,680.02, 75,458.45 and 30,806.70

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Solution

The fourth proportional to 54,680.02, 75,458.45 and 30,806.70 is: 42,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.02 : 75,458.45 = 30,806.70 : x
  2. Step 2: Convert to fraction form
    54,680.02/75,458.45 = 30,806.70/x
  3. Step 3: Cross multiply
    54,680.02x = 75,458.45 × 30,806.70
  4. Step 4: Simplify right side
    54,680.02x = 2,324,625,831.62
  5. Step 5: Solve for x
    x = 2,324,625,831.62/54,680.02
  6. Step 6: Final answer
    x = 42,513.26

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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.