Home / 76,279.36-105,271.06-46,072.03

Finding the Fourth Proportional to 76,279.36, 105,271.06 and 46,072.03

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Solution

The fourth proportional to 76,279.36, 105,271.06 and 46,072.03 is: 63,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,279.36 : 105,271.06 = 46,072.03 : x
  2. Step 2: Convert to fraction form
    76,279.36/105,271.06 = 46,072.03/x
  3. Step 3: Cross multiply
    76,279.36x = 105,271.06 × 46,072.03
  4. Step 4: Simplify right side
    76,279.36x = 4,850,051,056.09
  5. Step 5: Solve for x
    x = 4,850,051,056.09/76,279.36
  6. Step 6: Final answer
    x = 63,582.75

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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.