Home / 107,423.42-161,135.19-40,848.17

Finding the Fourth Proportional to 107,423.42, 161,135.19 and 40,848.17

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Solution

The fourth proportional to 107,423.42, 161,135.19 and 40,848.17 is: 61,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,423.42 : 161,135.19 = 40,848.17 : x
  2. Step 2: Convert to fraction form
    107,423.42/161,135.19 = 40,848.17/x
  3. Step 3: Cross multiply
    107,423.42x = 161,135.19 × 40,848.17
  4. Step 4: Simplify right side
    107,423.42x = 6,582,076,828.43
  5. Step 5: Solve for x
    x = 6,582,076,828.43/107,423.42
  6. Step 6: Final answer
    x = 61,272.27

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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.