Home / 70,749.58-97,633.38-38,916.58

Finding the Fourth Proportional to 70,749.58, 97,633.38 and 38,916.58

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Solution

The fourth proportional to 70,749.58, 97,633.38 and 38,916.58 is: 53,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.58 : 97,633.38 = 38,916.58 : x
  2. Step 2: Convert to fraction form
    70,749.58/97,633.38 = 38,916.58/x
  3. Step 3: Cross multiply
    70,749.58x = 97,633.38 × 38,916.58
  4. Step 4: Simplify right side
    70,749.58x = 3,799,557,243.44
  5. Step 5: Solve for x
    x = 3,799,557,243.44/70,749.58
  6. Step 6: Final answer
    x = 53,704.31

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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.