Home / 111,660.20-154,091.65-60,673.06

Finding the Fourth Proportional to 111,660.20, 154,091.65 and 60,673.06

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Solution

The fourth proportional to 111,660.20, 154,091.65 and 60,673.06 is: 83,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,660.20 : 154,091.65 = 60,673.06 : x
  2. Step 2: Convert to fraction form
    111,660.20/154,091.65 = 60,673.06/x
  3. Step 3: Cross multiply
    111,660.20x = 154,091.65 × 60,673.06
  4. Step 4: Simplify right side
    111,660.20x = 9,349,211,925.95
  5. Step 5: Solve for x
    x = 9,349,211,925.95/111,660.20
  6. Step 6: Final answer
    x = 83,729.13

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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.