Home / 75,563.56-104,275.62-42,029.80

Finding the Fourth Proportional to 75,563.56, 104,275.62 and 42,029.80

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Solution

The fourth proportional to 75,563.56, 104,275.62 and 42,029.80 is: 57,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,563.56 : 104,275.62 = 42,029.80 : x
  2. Step 2: Convert to fraction form
    75,563.56/104,275.62 = 42,029.80/x
  3. Step 3: Cross multiply
    75,563.56x = 104,275.62 × 42,029.80
  4. Step 4: Simplify right side
    75,563.56x = 4,382,683,453.48
  5. Step 5: Solve for x
    x = 4,382,683,453.48/75,563.56
  6. Step 6: Final answer
    x = 57,999.96

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1.5x scale

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.