Home / 91,441.04-137,117.81-38,821.82

Finding the Fourth Proportional to 91,441.04, 137,117.81 and 38,821.82

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Solution

The fourth proportional to 91,441.04, 137,117.81 and 38,821.82 is: 58,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,441.04 : 137,117.81 = 38,821.82 : x
  2. Step 2: Convert to fraction form
    91,441.04/137,117.81 = 38,821.82/x
  3. Step 3: Cross multiply
    91,441.04x = 137,117.81 × 38,821.82
  4. Step 4: Simplify right side
    91,441.04x = 5,323,162,350.08
  5. Step 5: Solve for x
    x = 5,323,162,350.08/91,441.04
  6. Step 6: Final answer
    x = 58,214.15

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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.