Home / 104,108.79-143,670.18-56,362.14

Finding the Fourth Proportional to 104,108.79, 143,670.18 and 56,362.14

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Solution

The fourth proportional to 104,108.79, 143,670.18 and 56,362.14 is: 77,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.79 : 143,670.18 = 56,362.14 : x
  2. Step 2: Convert to fraction form
    104,108.79/143,670.18 = 56,362.14/x
  3. Step 3: Cross multiply
    104,108.79x = 143,670.18 × 56,362.14
  4. Step 4: Simplify right side
    104,108.79x = 8,097,558,798.99
  5. Step 5: Solve for x
    x = 8,097,558,798.99/104,108.79
  6. Step 6: Final answer
    x = 77,779.78

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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.