Home / 54,046.08-80,659.20-52,646.40

Finding the Fourth Proportional to 54,046.08, 80,659.20 and 52,646.40

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Solution

The fourth proportional to 54,046.08, 80,659.20 and 52,646.40 is: 78,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,046.08 : 80,659.20 = 52,646.40 : x
  2. Step 2: Convert to fraction form
    54,046.08/80,659.20 = 52,646.40/x
  3. Step 3: Cross multiply
    54,046.08x = 80,659.20 × 52,646.40
  4. Step 4: Simplify right side
    54,046.08x = 4,246,416,506.88
  5. Step 5: Solve for x
    x = 4,246,416,506.88/54,046.08
  6. Step 6: Final answer
    x = 78,570.30

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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.