Home / 115,847.04-159,910.08-70,504.32

Finding the Fourth Proportional to 115,847.04, 159,910.08 and 70,504.32

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Solution

The fourth proportional to 115,847.04, 159,910.08 and 70,504.32 is: 97,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,847.04 : 159,910.08 = 70,504.32 : x
  2. Step 2: Convert to fraction form
    115,847.04/159,910.08 = 70,504.32/x
  3. Step 3: Cross multiply
    115,847.04x = 159,910.08 × 70,504.32
  4. Step 4: Simplify right side
    115,847.04x = 11,274,351,451.55
  5. Step 5: Solve for x
    x = 11,274,351,451.55/115,847.04
  6. Step 6: Final answer
    x = 97,321.01

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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.