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Finding the Fourth Proportional to 84,588.56, 116,739.28 and 46,866.32

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Solution

The fourth proportional to 84,588.56, 116,739.28 and 46,866.32 is: 64,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.56 : 116,739.28 = 46,866.32 : x
  2. Step 2: Convert to fraction form
    84,588.56/116,739.28 = 46,866.32/x
  3. Step 3: Cross multiply
    84,588.56x = 116,739.28 × 46,866.32
  4. Step 4: Simplify right side
    84,588.56x = 5,471,140,453.05
  5. Step 5: Solve for x
    x = 5,471,140,453.05/84,588.56
  6. Step 6: Final answer
    x = 64,679.44

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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.