Home / 84,384.24-116,445.60-46,656

Finding the Fourth Proportional to 84,384.24, 116,445.60 and 46,656

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Solution

The fourth proportional to 84,384.24, 116,445.60 and 46,656 is: 64,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,384.24 : 116,445.60 = 46,656 : x
  2. Step 2: Convert to fraction form
    84,384.24/116,445.60 = 46,656/x
  3. Step 3: Cross multiply
    84,384.24x = 116,445.60 × 46,656
  4. Step 4: Simplify right side
    84,384.24x = 5,432,885,913.60
  5. Step 5: Solve for x
    x = 5,432,885,913.60/84,384.24
  6. Step 6: Final answer
    x = 64,382.71

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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.