Home / 71,201.16-98,259.56-39,371.19

Finding the Fourth Proportional to 71,201.16, 98,259.56 and 39,371.19

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Solution

The fourth proportional to 71,201.16, 98,259.56 and 39,371.19 is: 54,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.16 : 98,259.56 = 39,371.19 : x
  2. Step 2: Convert to fraction form
    71,201.16/98,259.56 = 39,371.19/x
  3. Step 3: Cross multiply
    71,201.16x = 98,259.56 × 39,371.19
  4. Step 4: Simplify right side
    71,201.16x = 3,868,595,609.22
  5. Step 5: Solve for x
    x = 3,868,595,609.22/71,201.16
  6. Step 6: Final answer
    x = 54,333.32

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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.