Home / 125,769.75-173,562.93-68,409.50

Finding the Fourth Proportional to 125,769.75, 173,562.93 and 68,409.50

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Solution

The fourth proportional to 125,769.75, 173,562.93 and 68,409.50 is: 94,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,769.75 : 173,562.93 = 68,409.50 : x
  2. Step 2: Convert to fraction form
    125,769.75/173,562.93 = 68,409.50/x
  3. Step 3: Cross multiply
    125,769.75x = 173,562.93 × 68,409.50
  4. Step 4: Simplify right side
    125,769.75x = 11,873,352,392.02
  5. Step 5: Solve for x
    x = 11,873,352,392.02/125,769.75
  6. Step 6: Final answer
    x = 94,405.47

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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.