Home / 40,707.36-61,062.86-11,124.54

Finding the Fourth Proportional to 40,707.36, 61,062.86 and 11,124.54

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Solution

The fourth proportional to 40,707.36, 61,062.86 and 11,124.54 is: 16,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.36 : 61,062.86 = 11,124.54 : x
  2. Step 2: Convert to fraction form
    40,707.36/61,062.86 = 11,124.54/x
  3. Step 3: Cross multiply
    40,707.36x = 61,062.86 × 11,124.54
  4. Step 4: Simplify right side
    40,707.36x = 679,296,256.40
  5. Step 5: Solve for x
    x = 679,296,256.40/40,707.36
  6. Step 6: Final answer
    x = 16,687.31

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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.