Home / 85,105.71-117,444.87-46,864.44

Finding the Fourth Proportional to 85,105.71, 117,444.87 and 46,864.44

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Solution

The fourth proportional to 85,105.71, 117,444.87 and 46,864.44 is: 64,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,105.71 : 117,444.87 = 46,864.44 : x
  2. Step 2: Convert to fraction form
    85,105.71/117,444.87 = 46,864.44/x
  3. Step 3: Cross multiply
    85,105.71x = 117,444.87 × 46,864.44
  4. Step 4: Simplify right side
    85,105.71x = 5,503,988,063.42
  5. Step 5: Solve for x
    x = 5,503,988,063.42/85,105.71
  6. Step 6: Final answer
    x = 64,672.37

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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.