Home / 55,897.43-77,115.65-31,693.28

Finding the Fourth Proportional to 55,897.43, 77,115.65 and 31,693.28

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Solution

The fourth proportional to 55,897.43, 77,115.65 and 31,693.28 is: 43,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897.43 : 77,115.65 = 31,693.28 : x
  2. Step 2: Convert to fraction form
    55,897.43/77,115.65 = 31,693.28/x
  3. Step 3: Cross multiply
    55,897.43x = 77,115.65 × 31,693.28
  4. Step 4: Simplify right side
    55,897.43x = 2,444,047,343.79
  5. Step 5: Solve for x
    x = 2,444,047,343.79/55,897.43
  6. Step 6: Final answer
    x = 43,723.79

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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.