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Finding the Fourth Proportional to 88,871.60, 133,326.60 and 26,548.40

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Solution

The fourth proportional to 88,871.60, 133,326.60 and 26,548.40 is: 39,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.60 : 133,326.60 = 26,548.40 : x
  2. Step 2: Convert to fraction form
    88,871.60/133,326.60 = 26,548.40/x
  3. Step 3: Cross multiply
    88,871.60x = 133,326.60 × 26,548.40
  4. Step 4: Simplify right side
    88,871.60x = 3,539,607,907.44
  5. Step 5: Solve for x
    x = 3,539,607,907.44/88,871.60
  6. Step 6: Final answer
    x = 39,828.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.