Home / 53,893.76-81,023.07-43,437.16

Finding the Fourth Proportional to 53,893.76, 81,023.07 and 43,437.16

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Solution

The fourth proportional to 53,893.76, 81,023.07 and 43,437.16 is: 65,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.76 : 81,023.07 = 43,437.16 : x
  2. Step 2: Convert to fraction form
    53,893.76/81,023.07 = 43,437.16/x
  3. Step 3: Cross multiply
    53,893.76x = 81,023.07 × 43,437.16
  4. Step 4: Simplify right side
    53,893.76x = 3,519,412,055.28
  5. Step 5: Solve for x
    x = 3,519,412,055.28/53,893.76
  6. Step 6: Final answer
    x = 65,302.77

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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.