Home / 84,860.64-117,111.39-47,134.89

Finding the Fourth Proportional to 84,860.64, 117,111.39 and 47,134.89

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Solution

The fourth proportional to 84,860.64, 117,111.39 and 47,134.89 is: 65,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.64 : 117,111.39 = 47,134.89 : x
  2. Step 2: Convert to fraction form
    84,860.64/117,111.39 = 47,134.89/x
  3. Step 3: Cross multiply
    84,860.64x = 117,111.39 × 47,134.89
  4. Step 4: Simplify right side
    84,860.64x = 5,520,032,485.40
  5. Step 5: Solve for x
    x = 5,520,032,485.40/84,860.64
  6. Step 6: Final answer
    x = 65,048.21

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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.