Home / 64,500.06-96,746.67-20,121.74

Finding the Fourth Proportional to 64,500.06, 96,746.67 and 20,121.74

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Solution

The fourth proportional to 64,500.06, 96,746.67 and 20,121.74 is: 30,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,500.06 : 96,746.67 = 20,121.74 : x
  2. Step 2: Convert to fraction form
    64,500.06/96,746.67 = 20,121.74/x
  3. Step 3: Cross multiply
    64,500.06x = 96,746.67 × 20,121.74
  4. Step 4: Simplify right side
    64,500.06x = 1,946,710,855.87
  5. Step 5: Solve for x
    x = 1,946,710,855.87/64,500.06
  6. Step 6: Final answer
    x = 30,181.54

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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.