Home / 64,220.14-88,644.30-45,104.50

Finding the Fourth Proportional to 64,220.14, 88,644.30 and 45,104.50

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Solution

The fourth proportional to 64,220.14, 88,644.30 and 45,104.50 is: 62,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.14 : 88,644.30 = 45,104.50 : x
  2. Step 2: Convert to fraction form
    64,220.14/88,644.30 = 45,104.50/x
  3. Step 3: Cross multiply
    64,220.14x = 88,644.30 × 45,104.50
  4. Step 4: Simplify right side
    64,220.14x = 3,998,256,829.35
  5. Step 5: Solve for x
    x = 3,998,256,829.35/64,220.14
  6. Step 6: Final answer
    x = 62,258.61

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1.5x scale

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.