Home / 55,420.26-76,478.46-50,962.02

Finding the Fourth Proportional to 55,420.26, 76,478.46 and 50,962.02

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Solution

The fourth proportional to 55,420.26, 76,478.46 and 50,962.02 is: 70,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.26 : 76,478.46 = 50,962.02 : x
  2. Step 2: Convert to fraction form
    55,420.26/76,478.46 = 50,962.02/x
  3. Step 3: Cross multiply
    55,420.26x = 76,478.46 × 50,962.02
  4. Step 4: Simplify right side
    55,420.26x = 3,897,496,808.09
  5. Step 5: Solve for x
    x = 3,897,496,808.09/55,420.26
  6. Step 6: Final answer
    x = 70,326.21

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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.