Home / 117,740.03-162,485.52-67,448.75

Finding the Fourth Proportional to 117,740.03, 162,485.52 and 67,448.75

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Solution

The fourth proportional to 117,740.03, 162,485.52 and 67,448.75 is: 93,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.03 : 162,485.52 = 67,448.75 : x
  2. Step 2: Convert to fraction form
    117,740.03/162,485.52 = 67,448.75/x
  3. Step 3: Cross multiply
    117,740.03x = 162,485.52 × 67,448.75
  4. Step 4: Simplify right side
    117,740.03x = 10,959,445,255.42
  5. Step 5: Solve for x
    x = 10,959,445,255.42/117,740.03
  6. Step 6: Final answer
    x = 93,081.73

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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.