Home / 71,000.13-97,975.33-39,169.56

Finding the Fourth Proportional to 71,000.13, 97,975.33 and 39,169.56

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Solution

The fourth proportional to 71,000.13, 97,975.33 and 39,169.56 is: 54,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.13 : 97,975.33 = 39,169.56 : x
  2. Step 2: Convert to fraction form
    71,000.13/97,975.33 = 39,169.56/x
  3. Step 3: Cross multiply
    71,000.13x = 97,975.33 × 39,169.56
  4. Step 4: Simplify right side
    71,000.13x = 3,837,650,566.95
  5. Step 5: Solve for x
    x = 3,837,650,566.95/71,000.13
  6. Step 6: Final answer
    x = 54,051.32

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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.