Home / 65,102.22-89,680.38-55,510.89

Finding the Fourth Proportional to 65,102.22, 89,680.38 and 55,510.89

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Solution

The fourth proportional to 65,102.22, 89,680.38 and 55,510.89 is: 76,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,102.22 : 89,680.38 = 55,510.89 : x
  2. Step 2: Convert to fraction form
    65,102.22/89,680.38 = 55,510.89/x
  3. Step 3: Cross multiply
    65,102.22x = 89,680.38 × 55,510.89
  4. Step 4: Simplify right side
    65,102.22x = 4,978,237,709.34
  5. Step 5: Solve for x
    x = 4,978,237,709.34/65,102.22
  6. Step 6: Final answer
    x = 76,468.02

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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.