Home / 70,582.37-105,780.09-51,774.35

Finding the Fourth Proportional to 70,582.37, 105,780.09 and 51,774.35

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Solution

The fourth proportional to 70,582.37, 105,780.09 and 51,774.35 is: 77,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,582.37 : 105,780.09 = 51,774.35 : x
  2. Step 2: Convert to fraction form
    70,582.37/105,780.09 = 51,774.35/x
  3. Step 3: Cross multiply
    70,582.37x = 105,780.09 × 51,774.35
  4. Step 4: Simplify right side
    70,582.37x = 5,476,694,873.79
  5. Step 5: Solve for x
    x = 5,476,694,873.79/70,582.37
  6. Step 6: Final answer
    x = 77,592.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.