Home / 90,646.56-125,084.88-50,355.36

Finding the Fourth Proportional to 90,646.56, 125,084.88 and 50,355.36

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Solution

The fourth proportional to 90,646.56, 125,084.88 and 50,355.36 is: 69,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.56 : 125,084.88 = 50,355.36 : x
  2. Step 2: Convert to fraction form
    90,646.56/125,084.88 = 50,355.36/x
  3. Step 3: Cross multiply
    90,646.56x = 125,084.88 × 50,355.36
  4. Step 4: Simplify right side
    90,646.56x = 6,298,694,162.96
  5. Step 5: Solve for x
    x = 6,298,694,162.96/90,646.56
  6. Step 6: Final answer
    x = 69,486.30

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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.