Home / 86,211.24-118,971.56-48,485.52

Finding the Fourth Proportional to 86,211.24, 118,971.56 and 48,485.52

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Solution

The fourth proportional to 86,211.24, 118,971.56 and 48,485.52 is: 66,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.24 : 118,971.56 = 48,485.52 : x
  2. Step 2: Convert to fraction form
    86,211.24/118,971.56 = 48,485.52/x
  3. Step 3: Cross multiply
    86,211.24x = 118,971.56 × 48,485.52
  4. Step 4: Simplify right side
    86,211.24x = 5,768,397,951.81
  5. Step 5: Solve for x
    x = 5,768,397,951.81/86,211.24
  6. Step 6: Final answer
    x = 66,910.05

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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.