Home / 55,411.61-83,129.09-17,968.77

Finding the Fourth Proportional to 55,411.61, 83,129.09 and 17,968.77

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Solution

The fourth proportional to 55,411.61, 83,129.09 and 17,968.77 is: 26,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.61 : 83,129.09 = 17,968.77 : x
  2. Step 2: Convert to fraction form
    55,411.61/83,129.09 = 17,968.77/x
  3. Step 3: Cross multiply
    55,411.61x = 83,129.09 × 17,968.77
  4. Step 4: Simplify right side
    55,411.61x = 1,493,727,498.52
  5. Step 5: Solve for x
    x = 1,493,727,498.52/55,411.61
  6. Step 6: Final answer
    x = 26,956.94

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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.