Home / 109,113.36-150,553.86-63,782.58

Finding the Fourth Proportional to 109,113.36, 150,553.86 and 63,782.58

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Solution

The fourth proportional to 109,113.36, 150,553.86 and 63,782.58 is: 88,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.36 : 150,553.86 = 63,782.58 : x
  2. Step 2: Convert to fraction form
    109,113.36/150,553.86 = 63,782.58/x
  3. Step 3: Cross multiply
    109,113.36x = 150,553.86 × 63,782.58
  4. Step 4: Simplify right side
    109,113.36x = 9,602,713,619.76
  5. Step 5: Solve for x
    x = 9,602,713,619.76/109,113.36
  6. Step 6: Final answer
    x = 88,006.76

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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.