Home / 117,979.84-162,812.40-70,234.84

Finding the Fourth Proportional to 117,979.84, 162,812.40 and 70,234.84

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Solution

The fourth proportional to 117,979.84, 162,812.40 and 70,234.84 is: 96,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,979.84 : 162,812.40 = 70,234.84 : x
  2. Step 2: Convert to fraction form
    117,979.84/162,812.40 = 70,234.84/x
  3. Step 3: Cross multiply
    117,979.84x = 162,812.40 × 70,234.84
  4. Step 4: Simplify right side
    117,979.84x = 11,435,102,864.02
  5. Step 5: Solve for x
    x = 11,435,102,864.02/117,979.84
  6. Step 6: Final answer
    x = 96,924.21

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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.