Home / 66,496.20-99,776.70-50,695.80

Finding the Fourth Proportional to 66,496.20, 99,776.70 and 50,695.80

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Solution

The fourth proportional to 66,496.20, 99,776.70 and 50,695.80 is: 76,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.20 : 99,776.70 = 50,695.80 : x
  2. Step 2: Convert to fraction form
    66,496.20/99,776.70 = 50,695.80/x
  3. Step 3: Cross multiply
    66,496.20x = 99,776.70 × 50,695.80
  4. Step 4: Simplify right side
    66,496.20x = 5,058,259,627.86
  5. Step 5: Solve for x
    x = 5,058,259,627.86/66,496.20
  6. Step 6: Final answer
    x = 76,068.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.