Home / 111,748.16-154,212.46-61,447.16

Finding the Fourth Proportional to 111,748.16, 154,212.46 and 61,447.16

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Solution

The fourth proportional to 111,748.16, 154,212.46 and 61,447.16 is: 84,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,748.16 : 154,212.46 = 61,447.16 : x
  2. Step 2: Convert to fraction form
    111,748.16/154,212.46 = 61,447.16/x
  3. Step 3: Cross multiply
    111,748.16x = 154,212.46 × 61,447.16
  4. Step 4: Simplify right side
    111,748.16x = 9,475,916,932.55
  5. Step 5: Solve for x
    x = 9,475,916,932.55/111,748.16
  6. Step 6: Final answer
    x = 84,797.08

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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.