Home / 53,187.45-79,683.98-43,273.05

Finding the Fourth Proportional to 53,187.45, 79,683.98 and 43,273.05

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Solution

The fourth proportional to 53,187.45, 79,683.98 and 43,273.05 is: 64,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.45 : 79,683.98 = 43,273.05 : x
  2. Step 2: Convert to fraction form
    53,187.45/79,683.98 = 43,273.05/x
  3. Step 3: Cross multiply
    53,187.45x = 79,683.98 × 43,273.05
  4. Step 4: Simplify right side
    53,187.45x = 3,448,168,634.37
  5. Step 5: Solve for x
    x = 3,448,168,634.37/53,187.45
  6. Step 6: Final answer
    x = 64,830.49

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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.