Home / 105,524.51-145,624.23-57,777.44

Finding the Fourth Proportional to 105,524.51, 145,624.23 and 57,777.44

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Solution

The fourth proportional to 105,524.51, 145,624.23 and 57,777.44 is: 79,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.51 : 145,624.23 = 57,777.44 : x
  2. Step 2: Convert to fraction form
    105,524.51/145,624.23 = 57,777.44/x
  3. Step 3: Cross multiply
    105,524.51x = 145,624.23 × 57,777.44
  4. Step 4: Simplify right side
    105,524.51x = 8,413,794,483.25
  5. Step 5: Solve for x
    x = 8,413,794,483.25/105,524.51
  6. Step 6: Final answer
    x = 79,733.09

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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.