Home / 99,270.02-148,905.07-36,078.41

Finding the Fourth Proportional to 99,270.02, 148,905.07 and 36,078.41

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Solution

The fourth proportional to 99,270.02, 148,905.07 and 36,078.41 is: 54,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270.02 : 148,905.07 = 36,078.41 : x
  2. Step 2: Convert to fraction form
    99,270.02/148,905.07 = 36,078.41/x
  3. Step 3: Cross multiply
    99,270.02x = 148,905.07 × 36,078.41
  4. Step 4: Simplify right side
    99,270.02x = 5,372,258,448.61
  5. Step 5: Solve for x
    x = 5,372,258,448.61/99,270.02
  6. Step 6: Final answer
    x = 54,117.63

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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.