Home / 89,943.94-134,986.40-62,749.43

Finding the Fourth Proportional to 89,943.94, 134,986.40 and 62,749.43

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Solution

The fourth proportional to 89,943.94, 134,986.40 and 62,749.43 is: 94,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.94 : 134,986.40 = 62,749.43 : x
  2. Step 2: Convert to fraction form
    89,943.94/134,986.40 = 62,749.43/x
  3. Step 3: Cross multiply
    89,943.94x = 134,986.40 × 62,749.43
  4. Step 4: Simplify right side
    89,943.94x = 8,470,319,657.75
  5. Step 5: Solve for x
    x = 8,470,319,657.75/89,943.94
  6. Step 6: Final answer
    x = 94,173.32

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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.