Home / 91,810.08-137,583.90-52,285.52

Finding the Fourth Proportional to 91,810.08, 137,583.90 and 52,285.52

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Solution

The fourth proportional to 91,810.08, 137,583.90 and 52,285.52 is: 78,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,810.08 : 137,583.90 = 52,285.52 : x
  2. Step 2: Convert to fraction form
    91,810.08/137,583.90 = 52,285.52/x
  3. Step 3: Cross multiply
    91,810.08x = 137,583.90 × 52,285.52
  4. Step 4: Simplify right side
    91,810.08x = 7,193,646,099.09
  5. Step 5: Solve for x
    x = 7,193,646,099.09/91,810.08
  6. Step 6: Final answer
    x = 78,353.55

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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.