Home / 64,359.30-88,859.25-40,197.18

Finding the Fourth Proportional to 64,359.30, 88,859.25 and 40,197.18

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Solution

The fourth proportional to 64,359.30, 88,859.25 and 40,197.18 is: 55,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.30 : 88,859.25 = 40,197.18 : x
  2. Step 2: Convert to fraction form
    64,359.30/88,859.25 = 40,197.18/x
  3. Step 3: Cross multiply
    64,359.30x = 88,859.25 × 40,197.18
  4. Step 4: Simplify right side
    64,359.30x = 3,571,891,266.92
  5. Step 5: Solve for x
    x = 3,571,891,266.92/64,359.30
  6. Step 6: Final answer
    x = 55,499.22

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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.