Home / 104,162.02-143,743.54-56,415.37

Finding the Fourth Proportional to 104,162.02, 143,743.54 and 56,415.37

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Solution

The fourth proportional to 104,162.02, 143,743.54 and 56,415.37 is: 77,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,162.02 : 143,743.54 = 56,415.37 : x
  2. Step 2: Convert to fraction form
    104,162.02/143,743.54 = 56,415.37/x
  3. Step 3: Cross multiply
    104,162.02x = 143,743.54 × 56,415.37
  4. Step 4: Simplify right side
    104,162.02x = 8,109,344,994.21
  5. Step 5: Solve for x
    x = 8,109,344,994.21/104,162.02
  6. Step 6: Final answer
    x = 77,853.18

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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.