Home / 53,128.08-79,588.44-41,386.32

Finding the Fourth Proportional to 53,128.08, 79,588.44 and 41,386.32

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Solution

The fourth proportional to 53,128.08, 79,588.44 and 41,386.32 is: 61,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.08 : 79,588.44 = 41,386.32 : x
  2. Step 2: Convert to fraction form
    53,128.08/79,588.44 = 41,386.32/x
  3. Step 3: Cross multiply
    53,128.08x = 79,588.44 × 41,386.32
  4. Step 4: Simplify right side
    53,128.08x = 3,293,872,646.14
  5. Step 5: Solve for x
    x = 3,293,872,646.14/53,128.08
  6. Step 6: Final answer
    x = 61,998.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.