Home / 71,206.29-98,261.73-38,940.39

Finding the Fourth Proportional to 71,206.29, 98,261.73 and 38,940.39

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Solution

The fourth proportional to 71,206.29, 98,261.73 and 38,940.39 is: 53,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.29 : 98,261.73 = 38,940.39 : x
  2. Step 2: Convert to fraction form
    71,206.29/98,261.73 = 38,940.39/x
  3. Step 3: Cross multiply
    71,206.29x = 98,261.73 × 38,940.39
  4. Step 4: Simplify right side
    71,206.29x = 3,826,350,088.27
  5. Step 5: Solve for x
    x = 3,826,350,088.27/71,206.29
  6. Step 6: Final answer
    x = 53,736.12

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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.