Home / 70,939.41-97,895.21-39,111.27

Finding the Fourth Proportional to 70,939.41, 97,895.21 and 39,111.27

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Solution

The fourth proportional to 70,939.41, 97,895.21 and 39,111.27 is: 53,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.41 : 97,895.21 = 39,111.27 : x
  2. Step 2: Convert to fraction form
    70,939.41/97,895.21 = 39,111.27/x
  3. Step 3: Cross multiply
    70,939.41x = 97,895.21 × 39,111.27
  4. Step 4: Simplify right side
    70,939.41x = 3,828,805,990.02
  5. Step 5: Solve for x
    x = 3,828,805,990.02/70,939.41
  6. Step 6: Final answer
    x = 53,972.90

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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.