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Finding the Fourth Proportional to 88,893.51, 122,672.21 and 48,606.86

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Solution

The fourth proportional to 88,893.51, 122,672.21 and 48,606.86 is: 67,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,893.51 : 122,672.21 = 48,606.86 : x
  2. Step 2: Convert to fraction form
    88,893.51/122,672.21 = 48,606.86/x
  3. Step 3: Cross multiply
    88,893.51x = 122,672.21 × 48,606.86
  4. Step 4: Simplify right side
    88,893.51x = 5,962,710,080.97
  5. Step 5: Solve for x
    x = 5,962,710,080.97/88,893.51
  6. Step 6: Final answer
    x = 67,077.00

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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.