Home / 91,770.03-137,561.94-62,190.81

Finding the Fourth Proportional to 91,770.03, 137,561.94 and 62,190.81

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Solution

The fourth proportional to 91,770.03, 137,561.94 and 62,190.81 is: 93,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.03 : 137,561.94 = 62,190.81 : x
  2. Step 2: Convert to fraction form
    91,770.03/137,561.94 = 62,190.81/x
  3. Step 3: Cross multiply
    91,770.03x = 137,561.94 × 62,190.81
  4. Step 4: Simplify right side
    91,770.03x = 8,555,088,473.77
  5. Step 5: Solve for x
    x = 8,555,088,473.77/91,770.03
  6. Step 6: Final answer
    x = 93,223.12

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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.