Home / 57,190.80-85,755.36-17,737.28

Finding the Fourth Proportional to 57,190.80, 85,755.36 and 17,737.28

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Solution

The fourth proportional to 57,190.80, 85,755.36 and 17,737.28 is: 26,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.80 : 85,755.36 = 17,737.28 : x
  2. Step 2: Convert to fraction form
    57,190.80/85,755.36 = 17,737.28/x
  3. Step 3: Cross multiply
    57,190.80x = 85,755.36 × 17,737.28
  4. Step 4: Simplify right side
    57,190.80x = 1,521,066,831.82
  5. Step 5: Solve for x
    x = 1,521,066,831.82/57,190.80
  6. Step 6: Final answer
    x = 26,596.36

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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.