Home / 70,896.10-97,836.87-39,064.30

Finding the Fourth Proportional to 70,896.10, 97,836.87 and 39,064.30

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Solution

The fourth proportional to 70,896.10, 97,836.87 and 39,064.30 is: 53,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896.10 : 97,836.87 = 39,064.30 : x
  2. Step 2: Convert to fraction form
    70,896.10/97,836.87 = 39,064.30/x
  3. Step 3: Cross multiply
    70,896.10x = 97,836.87 × 39,064.30
  4. Step 4: Simplify right side
    70,896.10x = 3,821,928,840.74
  5. Step 5: Solve for x
    x = 3,821,928,840.74/70,896.10
  6. Step 6: Final answer
    x = 53,908.87

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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.