Home / 111,694.28-154,138.95-60,707.00

Finding the Fourth Proportional to 111,694.28, 154,138.95 and 60,707.00

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Solution

The fourth proportional to 111,694.28, 154,138.95 and 60,707.00 is: 83,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,694.28 : 154,138.95 = 60,707.00 : x
  2. Step 2: Convert to fraction form
    111,694.28/154,138.95 = 60,707.00/x
  3. Step 3: Cross multiply
    111,694.28x = 154,138.95 × 60,707.00
  4. Step 4: Simplify right side
    111,694.28x = 9,357,313,623.00
  5. Step 5: Solve for x
    x = 9,357,313,623.00/111,694.28
  6. Step 6: Final answer
    x = 83,776.13

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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.