Home / 52,742.95-72,770.87-30,073.67

Finding the Fourth Proportional to 52,742.95, 72,770.87 and 30,073.67

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Solution

The fourth proportional to 52,742.95, 72,770.87 and 30,073.67 is: 41,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,742.95 : 72,770.87 = 30,073.67 : x
  2. Step 2: Convert to fraction form
    52,742.95/72,770.87 = 30,073.67/x
  3. Step 3: Cross multiply
    52,742.95x = 72,770.87 × 30,073.67
  4. Step 4: Simplify right side
    52,742.95x = 2,188,486,979.62
  5. Step 5: Solve for x
    x = 2,188,486,979.62/52,742.95
  6. Step 6: Final answer
    x = 41,493.45

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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.