Home / 112,834.07-155,726.99-69,827.42

Finding the Fourth Proportional to 112,834.07, 155,726.99 and 69,827.42

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Solution

The fourth proportional to 112,834.07, 155,726.99 and 69,827.42 is: 96,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.07 : 155,726.99 = 69,827.42 : x
  2. Step 2: Convert to fraction form
    112,834.07/155,726.99 = 69,827.42/x
  3. Step 3: Cross multiply
    112,834.07x = 155,726.99 × 69,827.42
  4. Step 4: Simplify right side
    112,834.07x = 10,874,012,808.29
  5. Step 5: Solve for x
    x = 10,874,012,808.29/112,834.07
  6. Step 6: Final answer
    x = 96,371.71

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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.