Home / 53,760.90-80,697.37-52,554.75

Finding the Fourth Proportional to 53,760.90, 80,697.37 and 52,554.75

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Solution

The fourth proportional to 53,760.90, 80,697.37 and 52,554.75 is: 78,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.90 : 80,697.37 = 52,554.75 : x
  2. Step 2: Convert to fraction form
    53,760.90/80,697.37 = 52,554.75/x
  3. Step 3: Cross multiply
    53,760.90x = 80,697.37 × 52,554.75
  4. Step 4: Simplify right side
    53,760.90x = 4,241,030,106.01
  5. Step 5: Solve for x
    x = 4,241,030,106.01/53,760.90
  6. Step 6: Final answer
    x = 78,886.89

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1.5x scale

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.