Home / 52,045.56-78,080.76-16,985.28

Finding the Fourth Proportional to 52,045.56, 78,080.76 and 16,985.28

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Solution

The fourth proportional to 52,045.56, 78,080.76 and 16,985.28 is: 25,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,045.56 : 78,080.76 = 16,985.28 : x
  2. Step 2: Convert to fraction form
    52,045.56/78,080.76 = 16,985.28/x
  3. Step 3: Cross multiply
    52,045.56x = 78,080.76 × 16,985.28
  4. Step 4: Simplify right side
    52,045.56x = 1,326,223,571.21
  5. Step 5: Solve for x
    x = 1,326,223,571.21/52,045.56
  6. Step 6: Final answer
    x = 25,481.97

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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.