Home / 51,105.47-70,533.99-29,880.63

Finding the Fourth Proportional to 51,105.47, 70,533.99 and 29,880.63

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Solution

The fourth proportional to 51,105.47, 70,533.99 and 29,880.63 is: 41,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.47 : 70,533.99 = 29,880.63 : x
  2. Step 2: Convert to fraction form
    51,105.47/70,533.99 = 29,880.63/x
  3. Step 3: Cross multiply
    51,105.47x = 70,533.99 × 29,880.63
  4. Step 4: Simplify right side
    51,105.47x = 2,107,600,057.61
  5. Step 5: Solve for x
    x = 2,107,600,057.61/51,105.47
  6. Step 6: Final answer
    x = 41,240.21

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1.5x scale

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.