Home / 85,466.34-117,975.69-51,477.12

Finding the Fourth Proportional to 85,466.34, 117,975.69 and 51,477.12

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Solution

The fourth proportional to 85,466.34, 117,975.69 and 51,477.12 is: 71,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,466.34 : 117,975.69 = 51,477.12 : x
  2. Step 2: Convert to fraction form
    85,466.34/117,975.69 = 51,477.12/x
  3. Step 3: Cross multiply
    85,466.34x = 117,975.69 × 51,477.12
  4. Step 4: Simplify right side
    85,466.34x = 6,073,048,751.21
  5. Step 5: Solve for x
    x = 6,073,048,751.21/85,466.34
  6. Step 6: Final answer
    x = 71,057.78

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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.