Home / 52,726.49-72,762.78-28,527.38

Finding the Fourth Proportional to 52,726.49, 72,762.78 and 28,527.38

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Solution

The fourth proportional to 52,726.49, 72,762.78 and 28,527.38 is: 39,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.49 : 72,762.78 = 28,527.38 : x
  2. Step 2: Convert to fraction form
    52,726.49/72,762.78 = 28,527.38/x
  3. Step 3: Cross multiply
    52,726.49x = 72,762.78 × 28,527.38
  4. Step 4: Simplify right side
    52,726.49x = 2,075,731,474.92
  5. Step 5: Solve for x
    x = 2,075,731,474.92/52,726.49
  6. Step 6: Final answer
    x = 39,367.91

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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.