Home / 85,213.08-117,594.21-49,423.92

Finding the Fourth Proportional to 85,213.08, 117,594.21 and 49,423.92

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Solution

The fourth proportional to 85,213.08, 117,594.21 and 49,423.92 is: 68,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,213.08 : 117,594.21 = 49,423.92 : x
  2. Step 2: Convert to fraction form
    85,213.08/117,594.21 = 49,423.92/x
  3. Step 3: Cross multiply
    85,213.08x = 117,594.21 × 49,423.92
  4. Step 4: Simplify right side
    85,213.08x = 5,811,966,827.50
  5. Step 5: Solve for x
    x = 5,811,966,827.50/85,213.08
  6. Step 6: Final answer
    x = 68,205.10

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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.