Home / 71,597.10-98,801.27-39,768.06

Finding the Fourth Proportional to 71,597.10, 98,801.27 and 39,768.06

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Solution

The fourth proportional to 71,597.10, 98,801.27 and 39,768.06 is: 54,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,597.10 : 98,801.27 = 39,768.06 : x
  2. Step 2: Convert to fraction form
    71,597.10/98,801.27 = 39,768.06/x
  3. Step 3: Cross multiply
    71,597.10x = 98,801.27 × 39,768.06
  4. Step 4: Simplify right side
    71,597.10x = 3,929,134,634.60
  5. Step 5: Solve for x
    x = 3,929,134,634.60/71,597.10
  6. Step 6: Final answer
    x = 54,878.40

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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.