Home / 89,971.77-124,165.04-51,743.73

Finding the Fourth Proportional to 89,971.77, 124,165.04 and 51,743.73

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Solution

The fourth proportional to 89,971.77, 124,165.04 and 51,743.73 is: 71,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.77 : 124,165.04 = 51,743.73 : x
  2. Step 2: Convert to fraction form
    89,971.77/124,165.04 = 51,743.73/x
  3. Step 3: Cross multiply
    89,971.77x = 124,165.04 × 51,743.73
  4. Step 4: Simplify right side
    89,971.77x = 6,424,762,046.48
  5. Step 5: Solve for x
    x = 6,424,762,046.48/89,971.77
  6. Step 6: Final answer
    x = 71,408.64

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1.5x scale

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.