Home / 91,840.98-137,630.03-52,316.43

Finding the Fourth Proportional to 91,840.98, 137,630.03 and 52,316.43

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Solution

The fourth proportional to 91,840.98, 137,630.03 and 52,316.43 is: 78,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,840.98 : 137,630.03 = 52,316.43 : x
  2. Step 2: Convert to fraction form
    91,840.98/137,630.03 = 52,316.43/x
  3. Step 3: Cross multiply
    91,840.98x = 137,630.03 × 52,316.43
  4. Step 4: Simplify right side
    91,840.98x = 7,200,311,568.81
  5. Step 5: Solve for x
    x = 7,200,311,568.81/91,840.98
  6. Step 6: Final answer
    x = 78,399.77

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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.