Home / 85,289.17-117,668.28-50,826.91

Finding the Fourth Proportional to 85,289.17, 117,668.28 and 50,826.91

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Solution

The fourth proportional to 85,289.17, 117,668.28 and 50,826.91 is: 70,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,289.17 : 117,668.28 = 50,826.91 : x
  2. Step 2: Convert to fraction form
    85,289.17/117,668.28 = 50,826.91/x
  3. Step 3: Cross multiply
    85,289.17x = 117,668.28 × 50,826.91
  4. Step 4: Simplify right side
    85,289.17x = 5,980,715,077.41
  5. Step 5: Solve for x
    x = 5,980,715,077.41/85,289.17
  6. Step 6: Final answer
    x = 70,122.80

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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.