Home / 85,544.76-118,054.38-47,820.60

Finding the Fourth Proportional to 85,544.76, 118,054.38 and 47,820.60

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Solution

The fourth proportional to 85,544.76, 118,054.38 and 47,820.60 is: 65,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544.76 : 118,054.38 = 47,820.60 : x
  2. Step 2: Convert to fraction form
    85,544.76/118,054.38 = 47,820.60/x
  3. Step 3: Cross multiply
    85,544.76x = 118,054.38 × 47,820.60
  4. Step 4: Simplify right side
    85,544.76x = 5,645,431,284.23
  5. Step 5: Solve for x
    x = 5,645,431,284.23/85,544.76
  6. Step 6: Final answer
    x = 65,993.89

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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.