Home / 106,782.25-147,335.01-63,753.36

Finding the Fourth Proportional to 106,782.25, 147,335.01 and 63,753.36

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Solution

The fourth proportional to 106,782.25, 147,335.01 and 63,753.36 is: 87,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,782.25 : 147,335.01 = 63,753.36 : x
  2. Step 2: Convert to fraction form
    106,782.25/147,335.01 = 63,753.36/x
  3. Step 3: Cross multiply
    106,782.25x = 147,335.01 × 63,753.36
  4. Step 4: Simplify right side
    106,782.25x = 9,393,101,933.13
  5. Step 5: Solve for x
    x = 9,393,101,933.13/106,782.25
  6. Step 6: Final answer
    x = 87,965.01

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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.