Home / 54,263.12-74,720.37-45,295.20

Finding the Fourth Proportional to 54,263.12, 74,720.37 and 45,295.20

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Solution

The fourth proportional to 54,263.12, 74,720.37 and 45,295.20 is: 62,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.12 : 74,720.37 = 45,295.20 : x
  2. Step 2: Convert to fraction form
    54,263.12/74,720.37 = 45,295.20/x
  3. Step 3: Cross multiply
    54,263.12x = 74,720.37 × 45,295.20
  4. Step 4: Simplify right side
    54,263.12x = 3,384,474,273.08
  5. Step 5: Solve for x
    x = 3,384,474,273.08/54,263.12
  6. Step 6: Final answer
    x = 62,371.54

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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.