Home / 70,616.08-97,450.24-38,786.56

Finding the Fourth Proportional to 70,616.08, 97,450.24 and 38,786.56

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Solution

The fourth proportional to 70,616.08, 97,450.24 and 38,786.56 is: 53,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616.08 : 97,450.24 = 38,786.56 : x
  2. Step 2: Convert to fraction form
    70,616.08/97,450.24 = 38,786.56/x
  3. Step 3: Cross multiply
    70,616.08x = 97,450.24 × 38,786.56
  4. Step 4: Simplify right side
    70,616.08x = 3,779,759,580.77
  5. Step 5: Solve for x
    x = 3,779,759,580.77/70,616.08
  6. Step 6: Final answer
    x = 53,525.48

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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.