Home / 71,843.07-99,145.08-40,014.93

Finding the Fourth Proportional to 71,843.07, 99,145.08 and 40,014.93

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Solution

The fourth proportional to 71,843.07, 99,145.08 and 40,014.93 is: 55,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,843.07 : 99,145.08 = 40,014.93 : x
  2. Step 2: Convert to fraction form
    71,843.07/99,145.08 = 40,014.93/x
  3. Step 3: Cross multiply
    71,843.07x = 99,145.08 × 40,014.93
  4. Step 4: Simplify right side
    71,843.07x = 3,967,283,436.04
  5. Step 5: Solve for x
    x = 3,967,283,436.04/71,843.07
  6. Step 6: Final answer
    x = 55,221.52

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1.5x scale

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.