Home / 90,800.88-135,910.02-48,575.34

Finding the Fourth Proportional to 90,800.88, 135,910.02 and 48,575.34

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Solution

The fourth proportional to 90,800.88, 135,910.02 and 48,575.34 is: 72,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.88 : 135,910.02 = 48,575.34 : x
  2. Step 2: Convert to fraction form
    90,800.88/135,910.02 = 48,575.34/x
  3. Step 3: Cross multiply
    90,800.88x = 135,910.02 × 48,575.34
  4. Step 4: Simplify right side
    90,800.88x = 6,601,875,430.91
  5. Step 5: Solve for x
    x = 6,601,875,430.91/90,800.88
  6. Step 6: Final answer
    x = 72,707.17

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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.