Home / 52,938.11-73,054.86-30,278.05

Finding the Fourth Proportional to 52,938.11, 73,054.86 and 30,278.05

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Solution

The fourth proportional to 52,938.11, 73,054.86 and 30,278.05 is: 41,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938.11 : 73,054.86 = 30,278.05 : x
  2. Step 2: Convert to fraction form
    52,938.11/73,054.86 = 30,278.05/x
  3. Step 3: Cross multiply
    52,938.11x = 73,054.86 × 30,278.05
  4. Step 4: Simplify right side
    52,938.11x = 2,211,958,988.89
  5. Step 5: Solve for x
    x = 2,211,958,988.89/52,938.11
  6. Step 6: Final answer
    x = 41,783.87

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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.