Home / 111,825.45-154,320.35-60,838.47

Finding the Fourth Proportional to 111,825.45, 154,320.35 and 60,838.47

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Solution

The fourth proportional to 111,825.45, 154,320.35 and 60,838.47 is: 83,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,825.45 : 154,320.35 = 60,838.47 : x
  2. Step 2: Convert to fraction form
    111,825.45/154,320.35 = 60,838.47/x
  3. Step 3: Cross multiply
    111,825.45x = 154,320.35 × 60,838.47
  4. Step 4: Simplify right side
    111,825.45x = 9,388,613,679.67
  5. Step 5: Solve for x
    x = 9,388,613,679.67/111,825.45
  6. Step 6: Final answer
    x = 83,957.75

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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.