Home / 79,163.16-109,253.40-46,917

Finding the Fourth Proportional to 79,163.16, 109,253.40 and 46,917

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Solution

The fourth proportional to 79,163.16, 109,253.40 and 46,917 is: 64,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,163.16 : 109,253.40 = 46,917 : x
  2. Step 2: Convert to fraction form
    79,163.16/109,253.40 = 46,917/x
  3. Step 3: Cross multiply
    79,163.16x = 109,253.40 × 46,917
  4. Step 4: Simplify right side
    79,163.16x = 5,125,841,767.80
  5. Step 5: Solve for x
    x = 5,125,841,767.80/79,163.16
  6. Step 6: Final answer
    x = 64,750.34

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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.