Home / 55,872.48-77,082.04-31,986.28

Finding the Fourth Proportional to 55,872.48, 77,082.04 and 31,986.28

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Solution

The fourth proportional to 55,872.48, 77,082.04 and 31,986.28 is: 44,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872.48 : 77,082.04 = 31,986.28 : x
  2. Step 2: Convert to fraction form
    55,872.48/77,082.04 = 31,986.28/x
  3. Step 3: Cross multiply
    55,872.48x = 77,082.04 × 31,986.28
  4. Step 4: Simplify right side
    55,872.48x = 2,465,567,714.41
  5. Step 5: Solve for x
    x = 2,465,567,714.41/55,872.48
  6. Step 6: Final answer
    x = 44,128.48

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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.