Home / 90,954.45-125,520.62-52,715.25

Finding the Fourth Proportional to 90,954.45, 125,520.62 and 52,715.25

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Solution

The fourth proportional to 90,954.45, 125,520.62 and 52,715.25 is: 72,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,954.45 : 125,520.62 = 52,715.25 : x
  2. Step 2: Convert to fraction form
    90,954.45/125,520.62 = 52,715.25/x
  3. Step 3: Cross multiply
    90,954.45x = 125,520.62 × 52,715.25
  4. Step 4: Simplify right side
    90,954.45x = 6,616,850,599.88
  5. Step 5: Solve for x
    x = 6,616,850,599.88/90,954.45
  6. Step 6: Final answer
    x = 72,749.06

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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.