Home / 110,969.76-153,137.60-60,668.72

Finding the Fourth Proportional to 110,969.76, 153,137.60 and 60,668.72

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Solution

The fourth proportional to 110,969.76, 153,137.60 and 60,668.72 is: 83,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,969.76 : 153,137.60 = 60,668.72 : x
  2. Step 2: Convert to fraction form
    110,969.76/153,137.60 = 60,668.72/x
  3. Step 3: Cross multiply
    110,969.76x = 153,137.60 × 60,668.72
  4. Step 4: Simplify right side
    110,969.76x = 9,290,662,175.87
  5. Step 5: Solve for x
    x = 9,290,662,175.87/110,969.76
  6. Step 6: Final answer
    x = 83,722.47

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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.