Home / 71,091.46-98,106.96-39,261.16

Finding the Fourth Proportional to 71,091.46, 98,106.96 and 39,261.16

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Solution

The fourth proportional to 71,091.46, 98,106.96 and 39,261.16 is: 54,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.46 : 98,106.96 = 39,261.16 : x
  2. Step 2: Convert to fraction form
    71,091.46/98,106.96 = 39,261.16/x
  3. Step 3: Cross multiply
    71,091.46x = 98,106.96 × 39,261.16
  4. Step 4: Simplify right side
    71,091.46x = 3,851,793,053.67
  5. Step 5: Solve for x
    x = 3,851,793,053.67/71,091.46
  6. Step 6: Final answer
    x = 54,180.81

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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.