Home / 65,104.06-89,850.30-39,612.23

Finding the Fourth Proportional to 65,104.06, 89,850.30 and 39,612.23

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Solution

The fourth proportional to 65,104.06, 89,850.30 and 39,612.23 is: 54,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.06 : 89,850.30 = 39,612.23 : x
  2. Step 2: Convert to fraction form
    65,104.06/89,850.30 = 39,612.23/x
  3. Step 3: Cross multiply
    65,104.06x = 89,850.30 × 39,612.23
  4. Step 4: Simplify right side
    65,104.06x = 3,559,170,749.17
  5. Step 5: Solve for x
    x = 3,559,170,749.17/65,104.06
  6. Step 6: Final answer
    x = 54,668.95

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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.