Home / 111,066.12-153,273.96-63,324

Finding the Fourth Proportional to 111,066.12, 153,273.96 and 63,324

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Solution

The fourth proportional to 111,066.12, 153,273.96 and 63,324 is: 87,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,066.12 : 153,273.96 = 63,324 : x
  2. Step 2: Convert to fraction form
    111,066.12/153,273.96 = 63,324/x
  3. Step 3: Cross multiply
    111,066.12x = 153,273.96 × 63,324
  4. Step 4: Simplify right side
    111,066.12x = 9,705,920,243.04
  5. Step 5: Solve for x
    x = 9,705,920,243.04/111,066.12
  6. Step 6: Final answer
    x = 87,388.67

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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.