Home / 91,405.08-137,052.24-59,776.96

Finding the Fourth Proportional to 91,405.08, 137,052.24 and 59,776.96

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Solution

The fourth proportional to 91,405.08, 137,052.24 and 59,776.96 is: 89,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405.08 : 137,052.24 = 59,776.96 : x
  2. Step 2: Convert to fraction form
    91,405.08/137,052.24 = 59,776.96/x
  3. Step 3: Cross multiply
    91,405.08x = 137,052.24 × 59,776.96
  4. Step 4: Simplify right side
    91,405.08x = 8,192,566,268.39
  5. Step 5: Solve for x
    x = 8,192,566,268.39/91,405.08
  6. Step 6: Final answer
    x = 89,629.22

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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.