Home / 74,430.52-111,649.43-30,051.73

Finding the Fourth Proportional to 74,430.52, 111,649.43 and 30,051.73

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Solution

The fourth proportional to 74,430.52, 111,649.43 and 30,051.73 is: 45,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430.52 : 111,649.43 = 30,051.73 : x
  2. Step 2: Convert to fraction form
    74,430.52/111,649.43 = 30,051.73/x
  3. Step 3: Cross multiply
    74,430.52x = 111,649.43 × 30,051.73
  4. Step 4: Simplify right side
    74,430.52x = 3,355,258,525.01
  5. Step 5: Solve for x
    x = 3,355,258,525.01/74,430.52
  6. Step 6: Final answer
    x = 45,079.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.