Home / 83,704.47-115,533.59-51,900.63

Finding the Fourth Proportional to 83,704.47, 115,533.59 and 51,900.63

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Solution

The fourth proportional to 83,704.47, 115,533.59 and 51,900.63 is: 71,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.47 : 115,533.59 = 51,900.63 : x
  2. Step 2: Convert to fraction form
    83,704.47/115,533.59 = 51,900.63/x
  3. Step 3: Cross multiply
    83,704.47x = 115,533.59 × 51,900.63
  4. Step 4: Simplify right side
    83,704.47x = 5,996,265,847.66
  5. Step 5: Solve for x
    x = 5,996,265,847.66/83,704.47
  6. Step 6: Final answer
    x = 71,636.15

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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.