Home / 104,108.92-143,670.35-56,362.28

Finding the Fourth Proportional to 104,108.92, 143,670.35 and 56,362.28

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Solution

The fourth proportional to 104,108.92, 143,670.35 and 56,362.28 is: 77,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.92 : 143,670.35 = 56,362.28 : x
  2. Step 2: Convert to fraction form
    104,108.92/143,670.35 = 56,362.28/x
  3. Step 3: Cross multiply
    104,108.92x = 143,670.35 × 56,362.28
  4. Step 4: Simplify right side
    104,108.92x = 8,097,587,916.95
  5. Step 5: Solve for x
    x = 8,097,587,916.95/104,108.92
  6. Step 6: Final answer
    x = 77,779.96

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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.