Home / 111,338.32-153,646.62-61,037.68

Finding the Fourth Proportional to 111,338.32, 153,646.62 and 61,037.68

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Solution

The fourth proportional to 111,338.32, 153,646.62 and 61,037.68 is: 84,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,338.32 : 153,646.62 = 61,037.68 : x
  2. Step 2: Convert to fraction form
    111,338.32/153,646.62 = 61,037.68/x
  3. Step 3: Cross multiply
    111,338.32x = 153,646.62 × 61,037.68
  4. Step 4: Simplify right side
    111,338.32x = 9,378,233,224.64
  5. Step 5: Solve for x
    x = 9,378,233,224.64/111,338.32
  6. Step 6: Final answer
    x = 84,231.85

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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.