Home / 90,631.98-135,967.41-38,011.14

Finding the Fourth Proportional to 90,631.98, 135,967.41 and 38,011.14

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Solution

The fourth proportional to 90,631.98, 135,967.41 and 38,011.14 is: 57,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,631.98 : 135,967.41 = 38,011.14 : x
  2. Step 2: Convert to fraction form
    90,631.98/135,967.41 = 38,011.14/x
  3. Step 3: Cross multiply
    90,631.98x = 135,967.41 × 38,011.14
  4. Step 4: Simplify right side
    90,631.98x = 5,168,276,256.95
  5. Step 5: Solve for x
    x = 5,168,276,256.95/90,631.98
  6. Step 6: Final answer
    x = 57,024.86

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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.