Home / 90,579.98-135,818.13-37,945.10

Finding the Fourth Proportional to 90,579.98, 135,818.13 and 37,945.10

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Solution

The fourth proportional to 90,579.98, 135,818.13 and 37,945.10 is: 56,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579.98 : 135,818.13 = 37,945.10 : x
  2. Step 2: Convert to fraction form
    90,579.98/135,818.13 = 37,945.10/x
  3. Step 3: Cross multiply
    90,579.98x = 135,818.13 × 37,945.10
  4. Step 4: Simplify right side
    90,579.98x = 5,153,632,524.66
  5. Step 5: Solve for x
    x = 5,153,632,524.66/90,579.98
  6. Step 6: Final answer
    x = 56,895.93

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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.