Home / 66,923.26-92,305.70-56,835.72

Finding the Fourth Proportional to 66,923.26, 92,305.70 and 56,835.72

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Solution

The fourth proportional to 66,923.26, 92,305.70 and 56,835.72 is: 78,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.26 : 92,305.70 = 56,835.72 : x
  2. Step 2: Convert to fraction form
    66,923.26/92,305.70 = 56,835.72/x
  3. Step 3: Cross multiply
    66,923.26x = 92,305.70 × 56,835.72
  4. Step 4: Simplify right side
    66,923.26x = 5,246,260,919.60
  5. Step 5: Solve for x
    x = 5,246,260,919.60/66,923.26
  6. Step 6: Final answer
    x = 78,392.19

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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.