Home / 111,407.24-153,742.07-60,419.96

Finding the Fourth Proportional to 111,407.24, 153,742.07 and 60,419.96

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Solution

The fourth proportional to 111,407.24, 153,742.07 and 60,419.96 is: 83,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,407.24 : 153,742.07 = 60,419.96 : x
  2. Step 2: Convert to fraction form
    111,407.24/153,742.07 = 60,419.96/x
  3. Step 3: Cross multiply
    111,407.24x = 153,742.07 × 60,419.96
  4. Step 4: Simplify right side
    111,407.24x = 9,289,088,648.91
  5. Step 5: Solve for x
    x = 9,289,088,648.91/111,407.24
  6. Step 6: Final answer
    x = 83,379.58

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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.