Home / 53,752.32-80,221.96-52,352.64

Finding the Fourth Proportional to 53,752.32, 80,221.96 and 52,352.64

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Solution

The fourth proportional to 53,752.32, 80,221.96 and 52,352.64 is: 78,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.32 : 80,221.96 = 52,352.64 : x
  2. Step 2: Convert to fraction form
    53,752.32/80,221.96 = 52,352.64/x
  3. Step 3: Cross multiply
    53,752.32x = 80,221.96 × 52,352.64
  4. Step 4: Simplify right side
    53,752.32x = 4,199,831,391.97
  5. Step 5: Solve for x
    x = 4,199,831,391.97/53,752.32
  6. Step 6: Final answer
    x = 78,133.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.