Home / 71,069.16-98,074.83-39,237.38

Finding the Fourth Proportional to 71,069.16, 98,074.83 and 39,237.38

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Solution

The fourth proportional to 71,069.16, 98,074.83 and 39,237.38 is: 54,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.16 : 98,074.83 = 39,237.38 : x
  2. Step 2: Convert to fraction form
    71,069.16/98,074.83 = 39,237.38/x
  3. Step 3: Cross multiply
    71,069.16x = 98,074.83 × 39,237.38
  4. Step 4: Simplify right side
    71,069.16x = 3,848,199,373.15
  5. Step 5: Solve for x
    x = 3,848,199,373.15/71,069.16
  6. Step 6: Final answer
    x = 54,147.25

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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.