Home / 84,039.24-115,971.84-46,312.68

Finding the Fourth Proportional to 84,039.24, 115,971.84 and 46,312.68

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Solution

The fourth proportional to 84,039.24, 115,971.84 and 46,312.68 is: 63,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.24 : 115,971.84 = 46,312.68 : x
  2. Step 2: Convert to fraction form
    84,039.24/115,971.84 = 46,312.68/x
  3. Step 3: Cross multiply
    84,039.24x = 115,971.84 × 46,312.68
  4. Step 4: Simplify right side
    84,039.24x = 5,370,966,714.93
  5. Step 5: Solve for x
    x = 5,370,966,714.93/84,039.24
  6. Step 6: Final answer
    x = 63,910.22

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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.