Home / 104,712.94-144,439.06-91,316.35

Finding the Fourth Proportional to 104,712.94, 144,439.06 and 91,316.35

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Solution

The fourth proportional to 104,712.94, 144,439.06 and 91,316.35 is: 125,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,712.94 : 144,439.06 = 91,316.35 : x
  2. Step 2: Convert to fraction form
    104,712.94/144,439.06 = 91,316.35/x
  3. Step 3: Cross multiply
    104,712.94x = 144,439.06 × 91,316.35
  4. Step 4: Simplify right side
    104,712.94x = 13,189,647,756.63
  5. Step 5: Solve for x
    x = 13,189,647,756.63/104,712.94
  6. Step 6: Final answer
    x = 125,960.06

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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.