Home / 70,749.04-97,631.62-38,917.94

Finding the Fourth Proportional to 70,749.04, 97,631.62 and 38,917.94

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Solution

The fourth proportional to 70,749.04, 97,631.62 and 38,917.94 is: 53,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.04 : 97,631.62 = 38,917.94 : x
  2. Step 2: Convert to fraction form
    70,749.04/97,631.62 = 38,917.94/x
  3. Step 3: Cross multiply
    70,749.04x = 97,631.62 × 38,917.94
  4. Step 4: Simplify right side
    70,749.04x = 3,799,621,529.26
  5. Step 5: Solve for x
    x = 3,799,621,529.26/70,749.04
  6. Step 6: Final answer
    x = 53,705.63

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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.