Home / 70,782.05-97,676.75-38,950.13

Finding the Fourth Proportional to 70,782.05, 97,676.75 and 38,950.13

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Solution

The fourth proportional to 70,782.05, 97,676.75 and 38,950.13 is: 53,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,782.05 : 97,676.75 = 38,950.13 : x
  2. Step 2: Convert to fraction form
    70,782.05/97,676.75 = 38,950.13/x
  3. Step 3: Cross multiply
    70,782.05x = 97,676.75 × 38,950.13
  4. Step 4: Simplify right side
    70,782.05x = 3,804,521,915.73
  5. Step 5: Solve for x
    x = 3,804,521,915.73/70,782.05
  6. Step 6: Final answer
    x = 53,749.81

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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.