Home / 85,856.24-118,478.92-50,047.76

Finding the Fourth Proportional to 85,856.24, 118,478.92 and 50,047.76

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Solution

The fourth proportional to 85,856.24, 118,478.92 and 50,047.76 is: 69,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,856.24 : 118,478.92 = 50,047.76 : x
  2. Step 2: Convert to fraction form
    85,856.24/118,478.92 = 50,047.76/x
  3. Step 3: Cross multiply
    85,856.24x = 118,478.92 × 50,047.76
  4. Step 4: Simplify right side
    85,856.24x = 5,929,604,553.22
  5. Step 5: Solve for x
    x = 5,929,604,553.22/85,856.24
  6. Step 6: Final answer
    x = 69,064.34

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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.