Home / 55,670.13-83,517.71-17,721.59

Finding the Fourth Proportional to 55,670.13, 83,517.71 and 17,721.59

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Solution

The fourth proportional to 55,670.13, 83,517.71 and 17,721.59 is: 26,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.13 : 83,517.71 = 17,721.59 : x
  2. Step 2: Convert to fraction form
    55,670.13/83,517.71 = 17,721.59/x
  3. Step 3: Cross multiply
    55,670.13x = 83,517.71 × 17,721.59
  4. Step 4: Simplify right side
    55,670.13x = 1,480,066,108.16
  5. Step 5: Solve for x
    x = 1,480,066,108.16/55,670.13
  6. Step 6: Final answer
    x = 26,586.36

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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.