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Finding the Fourth Proportional to 105,071.01, 144,992.08 and 59,760.02

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Solution

The fourth proportional to 105,071.01, 144,992.08 and 59,760.02 is: 82,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071.01 : 144,992.08 = 59,760.02 : x
  2. Step 2: Convert to fraction form
    105,071.01/144,992.08 = 59,760.02/x
  3. Step 3: Cross multiply
    105,071.01x = 144,992.08 × 59,760.02
  4. Step 4: Simplify right side
    105,071.01x = 8,664,729,600.64
  5. Step 5: Solve for x
    x = 8,664,729,600.64/105,071.01
  6. Step 6: Final answer
    x = 82,465.46

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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.