Home / 111,616.23-154,032.05-60,629.95

Finding the Fourth Proportional to 111,616.23, 154,032.05 and 60,629.95

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Solution

The fourth proportional to 111,616.23, 154,032.05 and 60,629.95 is: 83,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,616.23 : 154,032.05 = 60,629.95 : x
  2. Step 2: Convert to fraction form
    111,616.23/154,032.05 = 60,629.95/x
  3. Step 3: Cross multiply
    111,616.23x = 154,032.05 × 60,629.95
  4. Step 4: Simplify right side
    111,616.23x = 9,338,955,489.90
  5. Step 5: Solve for x
    x = 9,338,955,489.90/111,616.23
  6. Step 6: Final answer
    x = 83,670.23

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1.5x scale

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.