Home / 93,658.26-129,212.28-57,786.06

Finding the Fourth Proportional to 93,658.26, 129,212.28 and 57,786.06

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Solution

The fourth proportional to 93,658.26, 129,212.28 and 57,786.06 is: 79,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,658.26 : 129,212.28 = 57,786.06 : x
  2. Step 2: Convert to fraction form
    93,658.26/129,212.28 = 57,786.06/x
  3. Step 3: Cross multiply
    93,658.26x = 129,212.28 × 57,786.06
  4. Step 4: Simplify right side
    93,658.26x = 7,466,668,564.82
  5. Step 5: Solve for x
    x = 7,466,668,564.82/93,658.26
  6. Step 6: Final answer
    x = 79,722.48

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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.