Home / 51,938.28-77,907.46-40,109.36

Finding the Fourth Proportional to 51,938.28, 77,907.46 and 40,109.36

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Solution

The fourth proportional to 51,938.28, 77,907.46 and 40,109.36 is: 60,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.28 : 77,907.46 = 40,109.36 : x
  2. Step 2: Convert to fraction form
    51,938.28/77,907.46 = 40,109.36/x
  3. Step 3: Cross multiply
    51,938.28x = 77,907.46 × 40,109.36
  4. Step 4: Simplify right side
    51,938.28x = 3,124,818,359.83
  5. Step 5: Solve for x
    x = 3,124,818,359.83/51,938.28
  6. Step 6: Final answer
    x = 60,164.07

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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.