Home / 84,623.27-116,733.76-53,939.39

Finding the Fourth Proportional to 84,623.27, 116,733.76 and 53,939.39

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Solution

The fourth proportional to 84,623.27, 116,733.76 and 53,939.39 is: 74,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,623.27 : 116,733.76 = 53,939.39 : x
  2. Step 2: Convert to fraction form
    84,623.27/116,733.76 = 53,939.39/x
  3. Step 3: Cross multiply
    84,623.27x = 116,733.76 × 53,939.39
  4. Step 4: Simplify right side
    84,623.27x = 6,296,547,088.29
  5. Step 5: Solve for x
    x = 6,296,547,088.29/84,623.27
  6. Step 6: Final answer
    x = 74,406.81

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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.