Home / 52,040.99-71,813.80-30,527.76

Finding the Fourth Proportional to 52,040.99, 71,813.80 and 30,527.76

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Solution

The fourth proportional to 52,040.99, 71,813.80 and 30,527.76 is: 42,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.99 : 71,813.80 = 30,527.76 : x
  2. Step 2: Convert to fraction form
    52,040.99/71,813.80 = 30,527.76/x
  3. Step 3: Cross multiply
    52,040.99x = 71,813.80 × 30,527.76
  4. Step 4: Simplify right side
    52,040.99x = 2,192,314,219.95
  5. Step 5: Solve for x
    x = 2,192,314,219.95/52,040.99
  6. Step 6: Final answer
    x = 42,126.69

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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.