Home / 104,318.92-143,959.32-56,572.36

Finding the Fourth Proportional to 104,318.92, 143,959.32 and 56,572.36

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Solution

The fourth proportional to 104,318.92, 143,959.32 and 56,572.36 is: 78,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,318.92 : 143,959.32 = 56,572.36 : x
  2. Step 2: Convert to fraction form
    104,318.92/143,959.32 = 56,572.36/x
  3. Step 3: Cross multiply
    104,318.92x = 143,959.32 × 56,572.36
  4. Step 4: Simplify right side
    104,318.92x = 8,144,118,476.40
  5. Step 5: Solve for x
    x = 8,144,118,476.40/104,318.92
  6. Step 6: Final answer
    x = 78,069.43

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1.5x scale

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.