Home / 70,200.64-96,865.67-39,986.55

Finding the Fourth Proportional to 70,200.64, 96,865.67 and 39,986.55

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Solution

The fourth proportional to 70,200.64, 96,865.67 and 39,986.55 is: 55,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,200.64 : 96,865.67 = 39,986.55 : x
  2. Step 2: Convert to fraction form
    70,200.64/96,865.67 = 39,986.55/x
  3. Step 3: Cross multiply
    70,200.64x = 96,865.67 × 39,986.55
  4. Step 4: Simplify right side
    70,200.64x = 3,873,323,956.74
  5. Step 5: Solve for x
    x = 3,873,323,956.74/70,200.64
  6. Step 6: Final answer
    x = 55,175.05

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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.