Home / 97,696.26-134,778.03-57,391.84

Finding the Fourth Proportional to 97,696.26, 134,778.03 and 57,391.84

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Solution

The fourth proportional to 97,696.26, 134,778.03 and 57,391.84 is: 79,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,696.26 : 134,778.03 = 57,391.84 : x
  2. Step 2: Convert to fraction form
    97,696.26/134,778.03 = 57,391.84/x
  3. Step 3: Cross multiply
    97,696.26x = 134,778.03 × 57,391.84
  4. Step 4: Simplify right side
    97,696.26x = 7,735,159,570.77
  5. Step 5: Solve for x
    x = 7,735,159,570.77/97,696.26
  6. Step 6: Final answer
    x = 79,175.60

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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.