Home / 90,983.30-125,557.45-52,765.49

Finding the Fourth Proportional to 90,983.30, 125,557.45 and 52,765.49

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Solution

The fourth proportional to 90,983.30, 125,557.45 and 52,765.49 is: 72,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,983.30 : 125,557.45 = 52,765.49 : x
  2. Step 2: Convert to fraction form
    90,983.30/125,557.45 = 52,765.49/x
  3. Step 3: Cross multiply
    90,983.30x = 125,557.45 × 52,765.49
  4. Step 4: Simplify right side
    90,983.30x = 6,625,100,554.38
  5. Step 5: Solve for x
    x = 6,625,100,554.38/90,983.30
  6. Step 6: Final answer
    x = 72,816.67

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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.