Home / 57,126.04-78,806.46-36,986.20

Finding the Fourth Proportional to 57,126.04, 78,806.46 and 36,986.20

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Solution

The fourth proportional to 57,126.04, 78,806.46 and 36,986.20 is: 51,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.04 : 78,806.46 = 36,986.20 : x
  2. Step 2: Convert to fraction form
    57,126.04/78,806.46 = 36,986.20/x
  3. Step 3: Cross multiply
    57,126.04x = 78,806.46 × 36,986.20
  4. Step 4: Simplify right side
    57,126.04x = 2,914,751,490.85
  5. Step 5: Solve for x
    x = 2,914,751,490.85/57,126.04
  6. Step 6: Final answer
    x = 51,023.17

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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.