Home / 85,633.08-118,170.40-47,907.32

Finding the Fourth Proportional to 85,633.08, 118,170.40 and 47,907.32

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Solution

The fourth proportional to 85,633.08, 118,170.40 and 47,907.32 is: 66,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,633.08 : 118,170.40 = 47,907.32 : x
  2. Step 2: Convert to fraction form
    85,633.08/118,170.40 = 47,907.32/x
  3. Step 3: Cross multiply
    85,633.08x = 118,170.40 × 47,907.32
  4. Step 4: Simplify right side
    85,633.08x = 5,661,227,167.33
  5. Step 5: Solve for x
    x = 5,661,227,167.33/85,633.08
  6. Step 6: Final answer
    x = 66,110.28

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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.