Home / 124,214.31-171,418.83-67,628.79

Finding the Fourth Proportional to 124,214.31, 171,418.83 and 67,628.79

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Solution

The fourth proportional to 124,214.31, 171,418.83 and 67,628.79 is: 93,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,214.31 : 171,418.83 = 67,628.79 : x
  2. Step 2: Convert to fraction form
    124,214.31/171,418.83 = 67,628.79/x
  3. Step 3: Cross multiply
    124,214.31x = 171,418.83 × 67,628.79
  4. Step 4: Simplify right side
    124,214.31x = 11,592,848,056.12
  5. Step 5: Solve for x
    x = 11,592,848,056.12/124,214.31
  6. Step 6: Final answer
    x = 93,329.41

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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.