Home / 57,907.98-86,812.74-55,152.36

Finding the Fourth Proportional to 57,907.98, 86,812.74 and 55,152.36

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Solution

The fourth proportional to 57,907.98, 86,812.74 and 55,152.36 is: 82,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,907.98 : 86,812.74 = 55,152.36 : x
  2. Step 2: Convert to fraction form
    57,907.98/86,812.74 = 55,152.36/x
  3. Step 3: Cross multiply
    57,907.98x = 86,812.74 × 55,152.36
  4. Step 4: Simplify right side
    57,907.98x = 4,787,927,489.07
  5. Step 5: Solve for x
    x = 4,787,927,489.07/57,907.98
  6. Step 6: Final answer
    x = 82,681.65

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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.