Home / 104,403.15-144,076.44-56,656.50

Finding the Fourth Proportional to 104,403.15, 144,076.44 and 56,656.50

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Solution

The fourth proportional to 104,403.15, 144,076.44 and 56,656.50 is: 78,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.15 : 144,076.44 = 56,656.50 : x
  2. Step 2: Convert to fraction form
    104,403.15/144,076.44 = 56,656.50/x
  3. Step 3: Cross multiply
    104,403.15x = 144,076.44 × 56,656.50
  4. Step 4: Simplify right side
    104,403.15x = 8,162,867,035.32
  5. Step 5: Solve for x
    x = 8,162,867,035.32/104,403.15
  6. Step 6: Final answer
    x = 78,186.02

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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.