Home / 88,965.48-122,768.76-53,175.24

Finding the Fourth Proportional to 88,965.48, 122,768.76 and 53,175.24

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Solution

The fourth proportional to 88,965.48, 122,768.76 and 53,175.24 is: 73,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,965.48 : 122,768.76 = 53,175.24 : x
  2. Step 2: Convert to fraction form
    88,965.48/122,768.76 = 53,175.24/x
  3. Step 3: Cross multiply
    88,965.48x = 122,768.76 × 53,175.24
  4. Step 4: Simplify right side
    88,965.48x = 6,528,258,277.50
  5. Step 5: Solve for x
    x = 6,528,258,277.50/88,965.48
  6. Step 6: Final answer
    x = 73,379.68

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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.