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Finding the Fourth Proportional to 90,599.35, 125,031.29 and 50,313.29

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Solution

The fourth proportional to 90,599.35, 125,031.29 and 50,313.29 is: 69,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.35 : 125,031.29 = 50,313.29 : x
  2. Step 2: Convert to fraction form
    90,599.35/125,031.29 = 50,313.29/x
  3. Step 3: Cross multiply
    90,599.35x = 125,031.29 × 50,313.29
  4. Step 4: Simplify right side
    90,599.35x = 6,290,735,552.84
  5. Step 5: Solve for x
    x = 6,290,735,552.84/90,599.35
  6. Step 6: Final answer
    x = 69,434.67

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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.