Home / 91,339.12-137,086.44-35,974

Finding the Fourth Proportional to 91,339.12, 137,086.44 and 35,974

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Solution

The fourth proportional to 91,339.12, 137,086.44 and 35,974 is: 53,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,339.12 : 137,086.44 = 35,974 : x
  2. Step 2: Convert to fraction form
    91,339.12/137,086.44 = 35,974/x
  3. Step 3: Cross multiply
    91,339.12x = 137,086.44 × 35,974
  4. Step 4: Simplify right side
    91,339.12x = 4,931,547,592.56
  5. Step 5: Solve for x
    x = 4,931,547,592.56/91,339.12
  6. Step 6: Final answer
    x = 53,991.63

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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.