Home / 54,659.64-75,430.45-31,693.91

Finding the Fourth Proportional to 54,659.64, 75,430.45 and 31,693.91

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Solution

The fourth proportional to 54,659.64, 75,430.45 and 31,693.91 is: 43,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.64 : 75,430.45 = 31,693.91 : x
  2. Step 2: Convert to fraction form
    54,659.64/75,430.45 = 31,693.91/x
  3. Step 3: Cross multiply
    54,659.64x = 75,430.45 × 31,693.91
  4. Step 4: Simplify right side
    54,659.64x = 2,390,685,893.56
  5. Step 5: Solve for x
    x = 2,390,685,893.56/54,659.64
  6. Step 6: Final answer
    x = 43,737.68

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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.