Home / 90,893.04-136,357.92-28,548.96

Finding the Fourth Proportional to 90,893.04, 136,357.92 and 28,548.96

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Solution

The fourth proportional to 90,893.04, 136,357.92 and 28,548.96 is: 42,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893.04 : 136,357.92 = 28,548.96 : x
  2. Step 2: Convert to fraction form
    90,893.04/136,357.92 = 28,548.96/x
  3. Step 3: Cross multiply
    90,893.04x = 136,357.92 × 28,548.96
  4. Step 4: Simplify right side
    90,893.04x = 3,892,876,803.76
  5. Step 5: Solve for x
    x = 3,892,876,803.76/90,893.04
  6. Step 6: Final answer
    x = 42,829.21

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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.