Home / 85,617.29-118,145.44-47,884.25

Finding the Fourth Proportional to 85,617.29, 118,145.44 and 47,884.25

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Solution

The fourth proportional to 85,617.29, 118,145.44 and 47,884.25 is: 66,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,617.29 : 118,145.44 = 47,884.25 : x
  2. Step 2: Convert to fraction form
    85,617.29/118,145.44 = 47,884.25/x
  3. Step 3: Cross multiply
    85,617.29x = 118,145.44 × 47,884.25
  4. Step 4: Simplify right side
    85,617.29x = 5,657,305,785.32
  5. Step 5: Solve for x
    x = 5,657,305,785.32/85,617.29
  6. Step 6: Final answer
    x = 66,076.67

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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.