Home / 65,147.19-89,906.54-36,855.51

Finding the Fourth Proportional to 65,147.19, 89,906.54 and 36,855.51

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Solution

The fourth proportional to 65,147.19, 89,906.54 and 36,855.51 is: 50,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,147.19 : 89,906.54 = 36,855.51 : x
  2. Step 2: Convert to fraction form
    65,147.19/89,906.54 = 36,855.51/x
  3. Step 3: Cross multiply
    65,147.19x = 89,906.54 × 36,855.51
  4. Step 4: Simplify right side
    65,147.19x = 3,313,551,199.76
  5. Step 5: Solve for x
    x = 3,313,551,199.76/65,147.19
  6. Step 6: Final answer
    x = 50,862.53

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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.