Home / 88,927.48-122,721.76-48,643.85

Finding the Fourth Proportional to 88,927.48, 122,721.76 and 48,643.85

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Solution

The fourth proportional to 88,927.48, 122,721.76 and 48,643.85 is: 67,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927.48 : 122,721.76 = 48,643.85 : x
  2. Step 2: Convert to fraction form
    88,927.48/122,721.76 = 48,643.85/x
  3. Step 3: Cross multiply
    88,927.48x = 122,721.76 × 48,643.85
  4. Step 4: Simplify right side
    88,927.48x = 5,969,659,288.55
  5. Step 5: Solve for x
    x = 5,969,659,288.55/88,927.48
  6. Step 6: Final answer
    x = 67,129.52

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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.