Home / 119,569.50-164,991.47-68,579.60

Finding the Fourth Proportional to 119,569.50, 164,991.47 and 68,579.60

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Solution

The fourth proportional to 119,569.50, 164,991.47 and 68,579.60 is: 94,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,569.50 : 164,991.47 = 68,579.60 : x
  2. Step 2: Convert to fraction form
    119,569.50/164,991.47 = 68,579.60/x
  3. Step 3: Cross multiply
    119,569.50x = 164,991.47 × 68,579.60
  4. Step 4: Simplify right side
    119,569.50x = 11,315,047,848.16
  5. Step 5: Solve for x
    x = 11,315,047,848.16/119,569.50
  6. Step 6: Final answer
    x = 94,631.56

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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.