Home / 75,052.24-103,657.13-51,137.40

Finding the Fourth Proportional to 75,052.24, 103,657.13 and 51,137.40

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Solution

The fourth proportional to 75,052.24, 103,657.13 and 51,137.40 is: 70,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,052.24 : 103,657.13 = 51,137.40 : x
  2. Step 2: Convert to fraction form
    75,052.24/103,657.13 = 51,137.40/x
  3. Step 3: Cross multiply
    75,052.24x = 103,657.13 × 51,137.40
  4. Step 4: Simplify right side
    75,052.24x = 5,300,756,119.66
  5. Step 5: Solve for x
    x = 5,300,756,119.66/75,052.24
  6. Step 6: Final answer
    x = 70,627.55

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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.