Home / 64,645.17-89,209.80-36,350.25

Finding the Fourth Proportional to 64,645.17, 89,209.80 and 36,350.25

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Solution

The fourth proportional to 64,645.17, 89,209.80 and 36,350.25 is: 50,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645.17 : 89,209.80 = 36,350.25 : x
  2. Step 2: Convert to fraction form
    64,645.17/89,209.80 = 36,350.25/x
  3. Step 3: Cross multiply
    64,645.17x = 89,209.80 × 36,350.25
  4. Step 4: Simplify right side
    64,645.17x = 3,242,798,532.45
  5. Step 5: Solve for x
    x = 3,242,798,532.45/64,645.17
  6. Step 6: Final answer
    x = 50,163.04

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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.