Home / 88,719.30-122,430.69-48,431.52

Finding the Fourth Proportional to 88,719.30, 122,430.69 and 48,431.52

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Solution

The fourth proportional to 88,719.30, 122,430.69 and 48,431.52 is: 66,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,719.30 : 122,430.69 = 48,431.52 : x
  2. Step 2: Convert to fraction form
    88,719.30/122,430.69 = 48,431.52/x
  3. Step 3: Cross multiply
    88,719.30x = 122,430.69 × 48,431.52
  4. Step 4: Simplify right side
    88,719.30x = 5,929,504,411.35
  5. Step 5: Solve for x
    x = 5,929,504,411.35/88,719.30
  6. Step 6: Final answer
    x = 66,834.44

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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.