Home / 119,439.93-164,829.75-65,724.82

Finding the Fourth Proportional to 119,439.93, 164,829.75 and 65,724.82

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Solution

The fourth proportional to 119,439.93, 164,829.75 and 65,724.82 is: 90,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,439.93 : 164,829.75 = 65,724.82 : x
  2. Step 2: Convert to fraction form
    119,439.93/164,829.75 = 65,724.82/x
  3. Step 3: Cross multiply
    119,439.93x = 164,829.75 × 65,724.82
  4. Step 4: Simplify right side
    119,439.93x = 10,833,405,083.28
  5. Step 5: Solve for x
    x = 10,833,405,083.28/119,439.93
  6. Step 6: Final answer
    x = 90,701.70

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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.