Home / 71,216.18-98,274.32-38,944.39

Finding the Fourth Proportional to 71,216.18, 98,274.32 and 38,944.39

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Solution

The fourth proportional to 71,216.18, 98,274.32 and 38,944.39 is: 53,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216.18 : 98,274.32 = 38,944.39 : x
  2. Step 2: Convert to fraction form
    71,216.18/98,274.32 = 38,944.39/x
  3. Step 3: Cross multiply
    71,216.18x = 98,274.32 × 38,944.39
  4. Step 4: Simplify right side
    71,216.18x = 3,827,233,445.06
  5. Step 5: Solve for x
    x = 3,827,233,445.06/71,216.18
  6. Step 6: Final answer
    x = 53,741.07

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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.