Home / 72,965.72-109,444.59-22,364.67

Finding the Fourth Proportional to 72,965.72, 109,444.59 and 22,364.67

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Solution

The fourth proportional to 72,965.72, 109,444.59 and 22,364.67 is: 33,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,965.72 : 109,444.59 = 22,364.67 : x
  2. Step 2: Convert to fraction form
    72,965.72/109,444.59 = 22,364.67/x
  3. Step 3: Cross multiply
    72,965.72x = 109,444.59 × 22,364.67
  4. Step 4: Simplify right side
    72,965.72x = 2,447,692,138.64
  5. Step 5: Solve for x
    x = 2,447,692,138.64/72,965.72
  6. Step 6: Final answer
    x = 33,545.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.