Home / 53,108.59-79,181.36-51,723.49

Finding the Fourth Proportional to 53,108.59, 79,181.36 and 51,723.49

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Solution

The fourth proportional to 53,108.59, 79,181.36 and 51,723.49 is: 77,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.59 : 79,181.36 = 51,723.49 : x
  2. Step 2: Convert to fraction form
    53,108.59/79,181.36 = 51,723.49/x
  3. Step 3: Cross multiply
    53,108.59x = 79,181.36 × 51,723.49
  4. Step 4: Simplify right side
    53,108.59x = 4,095,536,282.15
  5. Step 5: Solve for x
    x = 4,095,536,282.15/53,108.59
  6. Step 6: Final answer
    x = 77,116.27

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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.