Home / 66,176.72-91,334.76-48,330.80

Finding the Fourth Proportional to 66,176.72, 91,334.76 and 48,330.80

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Solution

The fourth proportional to 66,176.72, 91,334.76 and 48,330.80 is: 66,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,176.72 : 91,334.76 = 48,330.80 : x
  2. Step 2: Convert to fraction form
    66,176.72/91,334.76 = 48,330.80/x
  3. Step 3: Cross multiply
    66,176.72x = 91,334.76 × 48,330.80
  4. Step 4: Simplify right side
    66,176.72x = 4,414,282,018.61
  5. Step 5: Solve for x
    x = 4,414,282,018.61/66,176.72
  6. Step 6: Final answer
    x = 66,704.45

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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.