Home / 70,939.08-97,895.94-39,107.64

Finding the Fourth Proportional to 70,939.08, 97,895.94 and 39,107.64

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Solution

The fourth proportional to 70,939.08, 97,895.94 and 39,107.64 is: 53,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.08 : 97,895.94 = 39,107.64 : x
  2. Step 2: Convert to fraction form
    70,939.08/97,895.94 = 39,107.64/x
  3. Step 3: Cross multiply
    70,939.08x = 97,895.94 × 39,107.64
  4. Step 4: Simplify right side
    70,939.08x = 3,828,479,178.98
  5. Step 5: Solve for x
    x = 3,828,479,178.98/70,939.08
  6. Step 6: Final answer
    x = 53,968.55

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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.