Home / 64,145.40-96,218.10-60,516.60

Finding the Fourth Proportional to 64,145.40, 96,218.10 and 60,516.60

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Solution

The fourth proportional to 64,145.40, 96,218.10 and 60,516.60 is: 90,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.40 : 96,218.10 = 60,516.60 : x
  2. Step 2: Convert to fraction form
    64,145.40/96,218.10 = 60,516.60/x
  3. Step 3: Cross multiply
    64,145.40x = 96,218.10 × 60,516.60
  4. Step 4: Simplify right side
    64,145.40x = 5,822,792,270.46
  5. Step 5: Solve for x
    x = 5,822,792,270.46/64,145.40
  6. Step 6: Final answer
    x = 90,774.90

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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.