Home / 104,718.96-144,511.50-56,972.52

Finding the Fourth Proportional to 104,718.96, 144,511.50 and 56,972.52

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Solution

The fourth proportional to 104,718.96, 144,511.50 and 56,972.52 is: 78,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,718.96 : 144,511.50 = 56,972.52 : x
  2. Step 2: Convert to fraction form
    104,718.96/144,511.50 = 56,972.52/x
  3. Step 3: Cross multiply
    104,718.96x = 144,511.50 × 56,972.52
  4. Step 4: Simplify right side
    104,718.96x = 8,233,184,323.98
  5. Step 5: Solve for x
    x = 8,233,184,323.98/104,718.96
  6. Step 6: Final answer
    x = 78,621.72

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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.