Home / 71,066.55-98,071.57-39,235.22

Finding the Fourth Proportional to 71,066.55, 98,071.57 and 39,235.22

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Solution

The fourth proportional to 71,066.55, 98,071.57 and 39,235.22 is: 54,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066.55 : 98,071.57 = 39,235.22 : x
  2. Step 2: Convert to fraction form
    71,066.55/98,071.57 = 39,235.22/x
  3. Step 3: Cross multiply
    71,066.55x = 98,071.57 × 39,235.22
  4. Step 4: Simplify right side
    71,066.55x = 3,847,859,624.70
  5. Step 5: Solve for x
    x = 3,847,859,624.70/71,066.55
  6. Step 6: Final answer
    x = 54,144.46

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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.