Home / 112,696.35-155,516.16-61,708.17

Finding the Fourth Proportional to 112,696.35, 155,516.16 and 61,708.17

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Solution

The fourth proportional to 112,696.35, 155,516.16 and 61,708.17 is: 85,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,696.35 : 155,516.16 = 61,708.17 : x
  2. Step 2: Convert to fraction form
    112,696.35/155,516.16 = 61,708.17/x
  3. Step 3: Cross multiply
    112,696.35x = 155,516.16 × 61,708.17
  4. Step 4: Simplify right side
    112,696.35x = 9,596,617,639.03
  5. Step 5: Solve for x
    x = 9,596,617,639.03/112,696.35
  6. Step 6: Final answer
    x = 85,154.64

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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.