Home / 57,812.40-86,632.20-48,999.60

Finding the Fourth Proportional to 57,812.40, 86,632.20 and 48,999.60

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Solution

The fourth proportional to 57,812.40, 86,632.20 and 48,999.60 is: 73,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.40 : 86,632.20 = 48,999.60 : x
  2. Step 2: Convert to fraction form
    57,812.40/86,632.20 = 48,999.60/x
  3. Step 3: Cross multiply
    57,812.40x = 86,632.20 × 48,999.60
  4. Step 4: Simplify right side
    57,812.40x = 4,244,943,147.12
  5. Step 5: Solve for x
    x = 4,244,943,147.12/57,812.40
  6. Step 6: Final answer
    x = 73,426.17

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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.