Home / 65,889.06-90,968.45-50,753.27

Finding the Fourth Proportional to 65,889.06, 90,968.45 and 50,753.27

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Solution

The fourth proportional to 65,889.06, 90,968.45 and 50,753.27 is: 70,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,889.06 : 90,968.45 = 50,753.27 : x
  2. Step 2: Convert to fraction form
    65,889.06/90,968.45 = 50,753.27/x
  3. Step 3: Cross multiply
    65,889.06x = 90,968.45 × 50,753.27
  4. Step 4: Simplify right side
    65,889.06x = 4,616,945,595.72
  5. Step 5: Solve for x
    x = 4,616,945,595.72/65,889.06
  6. Step 6: Final answer
    x = 70,071.50

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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.