Home / 39,743.95-59,615.78-10,161.74

Finding the Fourth Proportional to 39,743.95, 59,615.78 and 10,161.74

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Solution

The fourth proportional to 39,743.95, 59,615.78 and 10,161.74 is: 15,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.95 : 59,615.78 = 10,161.74 : x
  2. Step 2: Convert to fraction form
    39,743.95/59,615.78 = 10,161.74/x
  3. Step 3: Cross multiply
    39,743.95x = 59,615.78 × 10,161.74
  4. Step 4: Simplify right side
    39,743.95x = 605,800,056.26
  5. Step 5: Solve for x
    x = 605,800,056.26/39,743.95
  6. Step 6: Final answer
    x = 15,242.57

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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.