Home / 111,115.76-153,338.57-60,127.37

Finding the Fourth Proportional to 111,115.76, 153,338.57 and 60,127.37

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Solution

The fourth proportional to 111,115.76, 153,338.57 and 60,127.37 is: 82,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.76 : 153,338.57 = 60,127.37 : x
  2. Step 2: Convert to fraction form
    111,115.76/153,338.57 = 60,127.37/x
  3. Step 3: Cross multiply
    111,115.76x = 153,338.57 × 60,127.37
  4. Step 4: Simplify right side
    111,115.76x = 9,219,843,866.33
  5. Step 5: Solve for x
    x = 9,219,843,866.33/111,115.76
  6. Step 6: Final answer
    x = 82,975.13

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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.