Home / 111,966.22-154,506.36-61,665.22

Finding the Fourth Proportional to 111,966.22, 154,506.36 and 61,665.22

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Solution

The fourth proportional to 111,966.22, 154,506.36 and 61,665.22 is: 85,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.22 : 154,506.36 = 61,665.22 : x
  2. Step 2: Convert to fraction form
    111,966.22/154,506.36 = 61,665.22/x
  3. Step 3: Cross multiply
    111,966.22x = 154,506.36 × 61,665.22
  4. Step 4: Simplify right side
    111,966.22x = 9,527,668,680.80
  5. Step 5: Solve for x
    x = 9,527,668,680.80/111,966.22
  6. Step 6: Final answer
    x = 85,094.14

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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.