Home / 51,612.52-77,418.88-14,173.08

Finding the Fourth Proportional to 51,612.52, 77,418.88 and 14,173.08

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Solution

The fourth proportional to 51,612.52, 77,418.88 and 14,173.08 is: 21,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.52 : 77,418.88 = 14,173.08 : x
  2. Step 2: Convert to fraction form
    51,612.52/77,418.88 = 14,173.08/x
  3. Step 3: Cross multiply
    51,612.52x = 77,418.88 × 14,173.08
  4. Step 4: Simplify right side
    51,612.52x = 1,097,263,979.75
  5. Step 5: Solve for x
    x = 1,097,263,979.75/51,612.52
  6. Step 6: Final answer
    x = 21,259.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.