Home / 109,113.62-150,554.21-63,782.83

Finding the Fourth Proportional to 109,113.62, 150,554.21 and 63,782.83

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Solution

The fourth proportional to 109,113.62, 150,554.21 and 63,782.83 is: 88,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.62 : 150,554.21 = 63,782.83 : x
  2. Step 2: Convert to fraction form
    109,113.62/150,554.21 = 63,782.83/x
  3. Step 3: Cross multiply
    109,113.62x = 150,554.21 × 63,782.83
  4. Step 4: Simplify right side
    109,113.62x = 9,602,772,886.91
  5. Step 5: Solve for x
    x = 9,602,772,886.91/109,113.62
  6. Step 6: Final answer
    x = 88,007.10

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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.