Home / 104,720.72-144,501.96-59,395.28

Finding the Fourth Proportional to 104,720.72, 144,501.96 and 59,395.28

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Solution

The fourth proportional to 104,720.72, 144,501.96 and 59,395.28 is: 81,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.72 : 144,501.96 = 59,395.28 : x
  2. Step 2: Convert to fraction form
    104,720.72/144,501.96 = 59,395.28/x
  3. Step 3: Cross multiply
    104,720.72x = 144,501.96 × 59,395.28
  4. Step 4: Simplify right side
    104,720.72x = 8,582,734,374.75
  5. Step 5: Solve for x
    x = 8,582,734,374.75/104,720.72
  6. Step 6: Final answer
    x = 81,958.32

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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.