Home / 104,278.59-143,904.60-56,531.93

Finding the Fourth Proportional to 104,278.59, 143,904.60 and 56,531.93

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Solution

The fourth proportional to 104,278.59, 143,904.60 and 56,531.93 is: 78,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,278.59 : 143,904.60 = 56,531.93 : x
  2. Step 2: Convert to fraction form
    104,278.59/143,904.60 = 56,531.93/x
  3. Step 3: Cross multiply
    104,278.59x = 143,904.60 × 56,531.93
  4. Step 4: Simplify right side
    104,278.59x = 8,135,204,054.36
  5. Step 5: Solve for x
    x = 8,135,204,054.36/104,278.59
  6. Step 6: Final answer
    x = 78,014.14

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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.