Home / 70,762.35-97,648.52-38,930.43

Finding the Fourth Proportional to 70,762.35, 97,648.52 and 38,930.43

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Solution

The fourth proportional to 70,762.35, 97,648.52 and 38,930.43 is: 53,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,762.35 : 97,648.52 = 38,930.43 : x
  2. Step 2: Convert to fraction form
    70,762.35/97,648.52 = 38,930.43/x
  3. Step 3: Cross multiply
    70,762.35x = 97,648.52 × 38,930.43
  4. Step 4: Simplify right side
    70,762.35x = 3,801,498,677.81
  5. Step 5: Solve for x
    x = 3,801,498,677.81/70,762.35
  6. Step 6: Final answer
    x = 53,722.05

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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.