Home / 88,502.52-122,129.70-48,216.06

Finding the Fourth Proportional to 88,502.52, 122,129.70 and 48,216.06

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Solution

The fourth proportional to 88,502.52, 122,129.70 and 48,216.06 is: 66,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,502.52 : 122,129.70 = 48,216.06 : x
  2. Step 2: Convert to fraction form
    88,502.52/122,129.70 = 48,216.06/x
  3. Step 3: Cross multiply
    88,502.52x = 122,129.70 × 48,216.06
  4. Step 4: Simplify right side
    88,502.52x = 5,888,612,942.98
  5. Step 5: Solve for x
    x = 5,888,612,942.98/88,502.52
  6. Step 6: Final answer
    x = 66,536.10

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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.