Home / 57,224.24-78,969.06-31,730.59

Finding the Fourth Proportional to 57,224.24, 78,969.06 and 31,730.59

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Solution

The fourth proportional to 57,224.24, 78,969.06 and 31,730.59 is: 43,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,224.24 : 78,969.06 = 31,730.59 : x
  2. Step 2: Convert to fraction form
    57,224.24/78,969.06 = 31,730.59/x
  3. Step 3: Cross multiply
    57,224.24x = 78,969.06 × 31,730.59
  4. Step 4: Simplify right side
    57,224.24x = 2,505,734,964.26
  5. Step 5: Solve for x
    x = 2,505,734,964.26/57,224.24
  6. Step 6: Final answer
    x = 43,788.00

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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.