Home / 64,321.17-88,763.22-39,170.67

Finding the Fourth Proportional to 64,321.17, 88,763.22 and 39,170.67

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Solution

The fourth proportional to 64,321.17, 88,763.22 and 39,170.67 is: 54,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.17 : 88,763.22 = 39,170.67 : x
  2. Step 2: Convert to fraction form
    64,321.17/88,763.22 = 39,170.67/x
  3. Step 3: Cross multiply
    64,321.17x = 88,763.22 × 39,170.67
  4. Step 4: Simplify right side
    64,321.17x = 3,476,914,855.02
  5. Step 5: Solve for x
    x = 3,476,914,855.02/64,321.17
  6. Step 6: Final answer
    x = 54,055.53

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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.