Home / 90,484.56-135,726.83-49,012.56

Finding the Fourth Proportional to 90,484.56, 135,726.83 and 49,012.56

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Solution

The fourth proportional to 90,484.56, 135,726.83 and 49,012.56 is: 73,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,484.56 : 135,726.83 = 49,012.56 : x
  2. Step 2: Convert to fraction form
    90,484.56/135,726.83 = 49,012.56/x
  3. Step 3: Cross multiply
    90,484.56x = 135,726.83 × 49,012.56
  4. Step 4: Simplify right side
    90,484.56x = 6,652,319,398.98
  5. Step 5: Solve for x
    x = 6,652,319,398.98/90,484.56
  6. Step 6: Final answer
    x = 73,518.83

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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.