Home / 46,979.56-64,840.08-28,116.64

Finding the Fourth Proportional to 46,979.56, 64,840.08 and 28,116.64

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Solution

The fourth proportional to 46,979.56, 64,840.08 and 28,116.64 is: 38,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.56 : 64,840.08 = 28,116.64 : x
  2. Step 2: Convert to fraction form
    46,979.56/64,840.08 = 28,116.64/x
  3. Step 3: Cross multiply
    46,979.56x = 64,840.08 × 28,116.64
  4. Step 4: Simplify right side
    46,979.56x = 1,823,085,186.93
  5. Step 5: Solve for x
    x = 1,823,085,186.93/46,979.56
  6. Step 6: Final answer
    x = 38,805.92

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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.