Home / 104,109.13-143,670.62-56,362.87

Finding the Fourth Proportional to 104,109.13, 143,670.62 and 56,362.87

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Solution

The fourth proportional to 104,109.13, 143,670.62 and 56,362.87 is: 77,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,109.13 : 143,670.62 = 56,362.87 : x
  2. Step 2: Convert to fraction form
    104,109.13/143,670.62 = 56,362.87/x
  3. Step 3: Cross multiply
    104,109.13x = 143,670.62 × 56,362.87
  4. Step 4: Simplify right side
    104,109.13x = 8,097,688,477.88
  5. Step 5: Solve for x
    x = 8,097,688,477.88/104,109.13
  6. Step 6: Final answer
    x = 77,780.77

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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.