Home / 85,246.83-117,638.34-47,005.71

Finding the Fourth Proportional to 85,246.83, 117,638.34 and 47,005.71

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Solution

The fourth proportional to 85,246.83, 117,638.34 and 47,005.71 is: 64,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246.83 : 117,638.34 = 47,005.71 : x
  2. Step 2: Convert to fraction form
    85,246.83/117,638.34 = 47,005.71/x
  3. Step 3: Cross multiply
    85,246.83x = 117,638.34 × 47,005.71
  4. Step 4: Simplify right side
    85,246.83x = 5,529,673,694.92
  5. Step 5: Solve for x
    x = 5,529,673,694.92/85,246.83
  6. Step 6: Final answer
    x = 64,866.62

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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.