Home / 70,833.36-97,749-39,001.44

Finding the Fourth Proportional to 70,833.36, 97,749 and 39,001.44

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Solution

The fourth proportional to 70,833.36, 97,749 and 39,001.44 is: 53,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.36 : 97,749 = 39,001.44 : x
  2. Step 2: Convert to fraction form
    70,833.36/97,749 = 39,001.44/x
  3. Step 3: Cross multiply
    70,833.36x = 97,749 × 39,001.44
  4. Step 4: Simplify right side
    70,833.36x = 3,812,351,758.56
  5. Step 5: Solve for x
    x = 3,812,351,758.56/70,833.36
  6. Step 6: Final answer
    x = 53,821.42

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1.5x scale

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.