Home / 112,006.50-154,568.97-61,706.58

Finding the Fourth Proportional to 112,006.50, 154,568.97 and 61,706.58

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Solution

The fourth proportional to 112,006.50, 154,568.97 and 61,706.58 is: 85,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,006.50 : 154,568.97 = 61,706.58 : x
  2. Step 2: Convert to fraction form
    112,006.50/154,568.97 = 61,706.58/x
  3. Step 3: Cross multiply
    112,006.50x = 154,568.97 × 61,706.58
  4. Step 4: Simplify right side
    112,006.50x = 9,537,922,512.82
  5. Step 5: Solve for x
    x = 9,537,922,512.82/112,006.50
  6. Step 6: Final answer
    x = 85,155.08

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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.