Home / 111,748.36-154,215.06-61,447.24

Finding the Fourth Proportional to 111,748.36, 154,215.06 and 61,447.24

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Solution

The fourth proportional to 111,748.36, 154,215.06 and 61,447.24 is: 84,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,748.36 : 154,215.06 = 61,447.24 : x
  2. Step 2: Convert to fraction form
    111,748.36/154,215.06 = 61,447.24/x
  3. Step 3: Cross multiply
    111,748.36x = 154,215.06 × 61,447.24
  4. Step 4: Simplify right side
    111,748.36x = 9,476,089,803.43
  5. Step 5: Solve for x
    x = 9,476,089,803.43/111,748.36
  6. Step 6: Final answer
    x = 84,798.47

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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.