Home / 74,029.76-111,054.37-38,971.34

Finding the Fourth Proportional to 74,029.76, 111,054.37 and 38,971.34

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Solution

The fourth proportional to 74,029.76, 111,054.37 and 38,971.34 is: 58,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,029.76 : 111,054.37 = 38,971.34 : x
  2. Step 2: Convert to fraction form
    74,029.76/111,054.37 = 38,971.34/x
  3. Step 3: Cross multiply
    74,029.76x = 111,054.37 × 38,971.34
  4. Step 4: Simplify right side
    74,029.76x = 4,327,937,611.76
  5. Step 5: Solve for x
    x = 4,327,937,611.76/74,029.76
  6. Step 6: Final answer
    x = 58,462.13

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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.