Home / 73,665.89-101,632.27-48,186.78

Finding the Fourth Proportional to 73,665.89, 101,632.27 and 48,186.78

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Solution

The fourth proportional to 73,665.89, 101,632.27 and 48,186.78 is: 66,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,665.89 : 101,632.27 = 48,186.78 : x
  2. Step 2: Convert to fraction form
    73,665.89/101,632.27 = 48,186.78/x
  3. Step 3: Cross multiply
    73,665.89x = 101,632.27 × 48,186.78
  4. Step 4: Simplify right side
    73,665.89x = 4,897,331,594.46
  5. Step 5: Solve for x
    x = 4,897,331,594.46/73,665.89
  6. Step 6: Final answer
    x = 66,480.32

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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.