Home / 111,719.16-154,173.10-60,732.30

Finding the Fourth Proportional to 111,719.16, 154,173.10 and 60,732.30

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Solution

The fourth proportional to 111,719.16, 154,173.10 and 60,732.30 is: 83,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,719.16 : 154,173.10 = 60,732.30 : x
  2. Step 2: Convert to fraction form
    111,719.16/154,173.10 = 60,732.30/x
  3. Step 3: Cross multiply
    111,719.16x = 154,173.10 × 60,732.30
  4. Step 4: Simplify right side
    111,719.16x = 9,363,286,961.13
  5. Step 5: Solve for x
    x = 9,363,286,961.13/111,719.16
  6. Step 6: Final answer
    x = 83,810.93

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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.