Home / 91,137.61-125,750.68-52,892.44

Finding the Fourth Proportional to 91,137.61, 125,750.68 and 52,892.44

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Solution

The fourth proportional to 91,137.61, 125,750.68 and 52,892.44 is: 72,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137.61 : 125,750.68 = 52,892.44 : x
  2. Step 2: Convert to fraction form
    91,137.61/125,750.68 = 52,892.44/x
  3. Step 3: Cross multiply
    91,137.61x = 125,750.68 × 52,892.44
  4. Step 4: Simplify right side
    91,137.61x = 6,651,260,557.60
  5. Step 5: Solve for x
    x = 6,651,260,557.60/91,137.61
  6. Step 6: Final answer
    x = 72,980.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.