Home / 71,090.14-98,104.32-39,258.96

Finding the Fourth Proportional to 71,090.14, 98,104.32 and 39,258.96

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Solution

The fourth proportional to 71,090.14, 98,104.32 and 39,258.96 is: 54,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.14 : 98,104.32 = 39,258.96 : x
  2. Step 2: Convert to fraction form
    71,090.14/98,104.32 = 39,258.96/x
  3. Step 3: Cross multiply
    71,090.14x = 98,104.32 × 39,258.96
  4. Step 4: Simplify right side
    71,090.14x = 3,851,473,378.41
  5. Step 5: Solve for x
    x = 3,851,473,378.41/71,090.14
  6. Step 6: Final answer
    x = 54,177.32

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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.