Home / 85,477.20-117,962.68-51,496.34

Finding the Fourth Proportional to 85,477.20, 117,962.68 and 51,496.34

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Solution

The fourth proportional to 85,477.20, 117,962.68 and 51,496.34 is: 71,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,477.20 : 117,962.68 = 51,496.34 : x
  2. Step 2: Convert to fraction form
    85,477.20/117,962.68 = 51,496.34/x
  3. Step 3: Cross multiply
    85,477.20x = 117,962.68 × 51,496.34
  4. Step 4: Simplify right side
    85,477.20x = 6,074,646,276.59
  5. Step 5: Solve for x
    x = 6,074,646,276.59/85,477.20
  6. Step 6: Final answer
    x = 71,067.45

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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.