Home / 70,625.14-97,438.91-39,994.04

Finding the Fourth Proportional to 70,625.14, 97,438.91 and 39,994.04

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Solution

The fourth proportional to 70,625.14, 97,438.91 and 39,994.04 is: 55,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.14 : 97,438.91 = 39,994.04 : x
  2. Step 2: Convert to fraction form
    70,625.14/97,438.91 = 39,994.04/x
  3. Step 3: Cross multiply
    70,625.14x = 97,438.91 × 39,994.04
  4. Step 4: Simplify right side
    70,625.14x = 3,896,975,707.72
  5. Step 5: Solve for x
    x = 3,896,975,707.72/70,625.14
  6. Step 6: Final answer
    x = 55,178.31

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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.