Home / 71,943.72-99,247.05-48,076.26

Finding the Fourth Proportional to 71,943.72, 99,247.05 and 48,076.26

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Solution

The fourth proportional to 71,943.72, 99,247.05 and 48,076.26 is: 66,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,943.72 : 99,247.05 = 48,076.26 : x
  2. Step 2: Convert to fraction form
    71,943.72/99,247.05 = 48,076.26/x
  3. Step 3: Cross multiply
    71,943.72x = 99,247.05 × 48,076.26
  4. Step 4: Simplify right side
    71,943.72x = 4,771,426,980.03
  5. Step 5: Solve for x
    x = 4,771,426,980.03/71,943.72
  6. Step 6: Final answer
    x = 66,321.66

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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.