Home / 70,693.20-97,556.63-40,488.54

Finding the Fourth Proportional to 70,693.20, 97,556.63 and 40,488.54

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Solution

The fourth proportional to 70,693.20, 97,556.63 and 40,488.54 is: 55,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,693.20 : 97,556.63 = 40,488.54 : x
  2. Step 2: Convert to fraction form
    70,693.20/97,556.63 = 40,488.54/x
  3. Step 3: Cross multiply
    70,693.20x = 97,556.63 × 40,488.54
  4. Step 4: Simplify right side
    70,693.20x = 3,949,925,313.58
  5. Step 5: Solve for x
    x = 3,949,925,313.58/70,693.20
  6. Step 6: Final answer
    x = 55,874.19

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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.