Home / 104,015.52-143,541.24-56,268.72

Finding the Fourth Proportional to 104,015.52, 143,541.24 and 56,268.72

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Solution

The fourth proportional to 104,015.52, 143,541.24 and 56,268.72 is: 77,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,015.52 : 143,541.24 = 56,268.72 : x
  2. Step 2: Convert to fraction form
    104,015.52/143,541.24 = 56,268.72/x
  3. Step 3: Cross multiply
    104,015.52x = 143,541.24 × 56,268.72
  4. Step 4: Simplify right side
    104,015.52x = 8,076,881,842.01
  5. Step 5: Solve for x
    x = 8,076,881,842.01/104,015.52
  6. Step 6: Final answer
    x = 77,650.74

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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.