Home / 92,922.52-128,161.73-62,659.91

Finding the Fourth Proportional to 92,922.52, 128,161.73 and 62,659.91

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Solution

The fourth proportional to 92,922.52, 128,161.73 and 62,659.91 is: 86,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,922.52 : 128,161.73 = 62,659.91 : x
  2. Step 2: Convert to fraction form
    92,922.52/128,161.73 = 62,659.91/x
  3. Step 3: Cross multiply
    92,922.52x = 128,161.73 × 62,659.91
  4. Step 4: Simplify right side
    92,922.52x = 8,030,601,513.14
  5. Step 5: Solve for x
    x = 8,030,601,513.14/92,922.52
  6. Step 6: Final answer
    x = 86,422.55

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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.