Home / 71,013.92-106,419.37-52,145.93

Finding the Fourth Proportional to 71,013.92, 106,419.37 and 52,145.93

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Solution

The fourth proportional to 71,013.92, 106,419.37 and 52,145.93 is: 78,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.92 : 106,419.37 = 52,145.93 : x
  2. Step 2: Convert to fraction form
    71,013.92/106,419.37 = 52,145.93/x
  3. Step 3: Cross multiply
    71,013.92x = 106,419.37 × 52,145.93
  4. Step 4: Simplify right side
    71,013.92x = 5,549,336,653.51
  5. Step 5: Solve for x
    x = 5,549,336,653.51/71,013.92
  6. Step 6: Final answer
    x = 78,144.36

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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.