Home / 53,762.90-80,700.37-52,556.75

Finding the Fourth Proportional to 53,762.90, 80,700.37 and 52,556.75

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Solution

The fourth proportional to 53,762.90, 80,700.37 and 52,556.75 is: 78,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762.90 : 80,700.37 = 52,556.75 : x
  2. Step 2: Convert to fraction form
    53,762.90/80,700.37 = 52,556.75/x
  3. Step 3: Cross multiply
    53,762.90x = 80,700.37 × 52,556.75
  4. Step 4: Simplify right side
    53,762.90x = 4,241,349,171.00
  5. Step 5: Solve for x
    x = 4,241,349,171.00/53,762.90
  6. Step 6: Final answer
    x = 78,889.89

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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.