Home / 90,776.36-125,261.78-50,483.64

Finding the Fourth Proportional to 90,776.36, 125,261.78 and 50,483.64

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Solution

The fourth proportional to 90,776.36, 125,261.78 and 50,483.64 is: 69,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,776.36 : 125,261.78 = 50,483.64 : x
  2. Step 2: Convert to fraction form
    90,776.36/125,261.78 = 50,483.64/x
  3. Step 3: Cross multiply
    90,776.36x = 125,261.78 × 50,483.64
  4. Step 4: Simplify right side
    90,776.36x = 6,323,670,607.28
  5. Step 5: Solve for x
    x = 6,323,670,607.28/90,776.36
  6. Step 6: Final answer
    x = 69,662.09

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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.