Home / 91,563.93-137,344.61-55,548.96

Finding the Fourth Proportional to 91,563.93, 137,344.61 and 55,548.96

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Solution

The fourth proportional to 91,563.93, 137,344.61 and 55,548.96 is: 83,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563.93 : 137,344.61 = 55,548.96 : x
  2. Step 2: Convert to fraction form
    91,563.93/137,344.61 = 55,548.96/x
  3. Step 3: Cross multiply
    91,563.93x = 137,344.61 × 55,548.96
  4. Step 4: Simplify right side
    91,563.93x = 7,629,350,247.11
  5. Step 5: Solve for x
    x = 7,629,350,247.11/91,563.93
  6. Step 6: Final answer
    x = 83,322.66

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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.