Home / 57,632.20-86,448.30-35,999.80

Finding the Fourth Proportional to 57,632.20, 86,448.30 and 35,999.80

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Solution

The fourth proportional to 57,632.20, 86,448.30 and 35,999.80 is: 53,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.20 : 86,448.30 = 35,999.80 : x
  2. Step 2: Convert to fraction form
    57,632.20/86,448.30 = 35,999.80/x
  3. Step 3: Cross multiply
    57,632.20x = 86,448.30 × 35,999.80
  4. Step 4: Simplify right side
    57,632.20x = 3,112,121,510.34
  5. Step 5: Solve for x
    x = 3,112,121,510.34/57,632.20
  6. Step 6: Final answer
    x = 53,999.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.