Home / 66,924.48-100,321.44-31,854.72

Finding the Fourth Proportional to 66,924.48, 100,321.44 and 31,854.72

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Solution

The fourth proportional to 66,924.48, 100,321.44 and 31,854.72 is: 47,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.48 : 100,321.44 = 31,854.72 : x
  2. Step 2: Convert to fraction form
    66,924.48/100,321.44 = 31,854.72/x
  3. Step 3: Cross multiply
    66,924.48x = 100,321.44 × 31,854.72
  4. Step 4: Simplify right side
    66,924.48x = 3,195,711,381.20
  5. Step 5: Solve for x
    x = 3,195,711,381.20/66,924.48
  6. Step 6: Final answer
    x = 47,751.01

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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.