Home / 85,007.34-117,344.70-54,794.34

Finding the Fourth Proportional to 85,007.34, 117,344.70 and 54,794.34

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Solution

The fourth proportional to 85,007.34, 117,344.70 and 54,794.34 is: 75,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.34 : 117,344.70 = 54,794.34 : x
  2. Step 2: Convert to fraction form
    85,007.34/117,344.70 = 54,794.34/x
  3. Step 3: Cross multiply
    85,007.34x = 117,344.70 × 54,794.34
  4. Step 4: Simplify right side
    85,007.34x = 6,429,825,389.00
  5. Step 5: Solve for x
    x = 6,429,825,389.00/85,007.34
  6. Step 6: Final answer
    x = 75,638.47

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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.