Home / 85,165.49-117,533.67-47,439.74

Finding the Fourth Proportional to 85,165.49, 117,533.67 and 47,439.74

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Solution

The fourth proportional to 85,165.49, 117,533.67 and 47,439.74 is: 65,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,165.49 : 117,533.67 = 47,439.74 : x
  2. Step 2: Convert to fraction form
    85,165.49/117,533.67 = 47,439.74/x
  3. Step 3: Cross multiply
    85,165.49x = 117,533.67 × 47,439.74
  4. Step 4: Simplify right side
    85,165.49x = 5,575,766,746.05
  5. Step 5: Solve for x
    x = 5,575,766,746.05/85,165.49
  6. Step 6: Final answer
    x = 65,469.79

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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.