Home / 60,084.08-90,204.02-40,220.64

Finding the Fourth Proportional to 60,084.08, 90,204.02 and 40,220.64

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Solution

The fourth proportional to 60,084.08, 90,204.02 and 40,220.64 is: 60,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,084.08 : 90,204.02 = 40,220.64 : x
  2. Step 2: Convert to fraction form
    60,084.08/90,204.02 = 40,220.64/x
  3. Step 3: Cross multiply
    60,084.08x = 90,204.02 × 40,220.64
  4. Step 4: Simplify right side
    60,084.08x = 3,628,063,213.87
  5. Step 5: Solve for x
    x = 3,628,063,213.87/60,084.08
  6. Step 6: Final answer
    x = 60,383.11

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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.