Home / 71,216.43-98,274.67-38,944.64

Finding the Fourth Proportional to 71,216.43, 98,274.67 and 38,944.64

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Solution

The fourth proportional to 71,216.43, 98,274.67 and 38,944.64 is: 53,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216.43 : 98,274.67 = 38,944.64 : x
  2. Step 2: Convert to fraction form
    71,216.43/98,274.67 = 38,944.64/x
  3. Step 3: Cross multiply
    71,216.43x = 98,274.67 × 38,944.64
  4. Step 4: Simplify right side
    71,216.43x = 3,827,271,449.55
  5. Step 5: Solve for x
    x = 3,827,271,449.55/71,216.43
  6. Step 6: Final answer
    x = 53,741.41

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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.