Home / 105,191.19-145,171.62-59,883.84

Finding the Fourth Proportional to 105,191.19, 145,171.62 and 59,883.84

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Solution

The fourth proportional to 105,191.19, 145,171.62 and 59,883.84 is: 82,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191.19 : 145,171.62 = 59,883.84 : x
  2. Step 2: Convert to fraction form
    105,191.19/145,171.62 = 59,883.84/x
  3. Step 3: Cross multiply
    105,191.19x = 145,171.62 × 59,883.84
  4. Step 4: Simplify right side
    105,191.19x = 8,693,434,064.62
  5. Step 5: Solve for x
    x = 8,693,434,064.62/105,191.19
  6. Step 6: Final answer
    x = 82,644.13

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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.