Home / 111,615.42-154,030.92-60,629.11

Finding the Fourth Proportional to 111,615.42, 154,030.92 and 60,629.11

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Solution

The fourth proportional to 111,615.42, 154,030.92 and 60,629.11 is: 83,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,615.42 : 154,030.92 = 60,629.11 : x
  2. Step 2: Convert to fraction form
    111,615.42/154,030.92 = 60,629.11/x
  3. Step 3: Cross multiply
    111,615.42x = 154,030.92 × 60,629.11
  4. Step 4: Simplify right side
    111,615.42x = 9,338,756,979.64
  5. Step 5: Solve for x
    x = 9,338,756,979.64/111,615.42
  6. Step 6: Final answer
    x = 83,669.06

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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.