Home / 111,395.08-153,723.20-62,996.24

Finding the Fourth Proportional to 111,395.08, 153,723.20 and 62,996.24

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Solution

The fourth proportional to 111,395.08, 153,723.20 and 62,996.24 is: 86,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,395.08 : 153,723.20 = 62,996.24 : x
  2. Step 2: Convert to fraction form
    111,395.08/153,723.20 = 62,996.24/x
  3. Step 3: Cross multiply
    111,395.08x = 153,723.20 × 62,996.24
  4. Step 4: Simplify right side
    111,395.08x = 9,683,983,600.77
  5. Step 5: Solve for x
    x = 9,683,983,600.77/111,395.08
  6. Step 6: Final answer
    x = 86,933.67

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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.