Home / 111,623.04-154,042.36-60,637.80

Finding the Fourth Proportional to 111,623.04, 154,042.36 and 60,637.80

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Solution

The fourth proportional to 111,623.04, 154,042.36 and 60,637.80 is: 83,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,623.04 : 154,042.36 = 60,637.80 : x
  2. Step 2: Convert to fraction form
    111,623.04/154,042.36 = 60,637.80/x
  3. Step 3: Cross multiply
    111,623.04x = 154,042.36 × 60,637.80
  4. Step 4: Simplify right side
    111,623.04x = 9,340,789,817.21
  5. Step 5: Solve for x
    x = 9,340,789,817.21/111,623.04
  6. Step 6: Final answer
    x = 83,681.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.