Home / 106,811.64-147,399.39-63,810.63

Finding the Fourth Proportional to 106,811.64, 147,399.39 and 63,810.63

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Solution

The fourth proportional to 106,811.64, 147,399.39 and 63,810.63 is: 88,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,811.64 : 147,399.39 = 63,810.63 : x
  2. Step 2: Convert to fraction form
    106,811.64/147,399.39 = 63,810.63/x
  3. Step 3: Cross multiply
    106,811.64x = 147,399.39 × 63,810.63
  4. Step 4: Simplify right side
    106,811.64x = 9,405,647,937.52
  5. Step 5: Solve for x
    x = 9,405,647,937.52/106,811.64
  6. Step 6: Final answer
    x = 88,058.27

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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.