Home / 57,124.51-85,668.50-19,675.58

Finding the Fourth Proportional to 57,124.51, 85,668.50 and 19,675.58

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Solution

The fourth proportional to 57,124.51, 85,668.50 and 19,675.58 is: 29,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.51 : 85,668.50 = 19,675.58 : x
  2. Step 2: Convert to fraction form
    57,124.51/85,668.50 = 19,675.58/x
  3. Step 3: Cross multiply
    57,124.51x = 85,668.50 × 19,675.58
  4. Step 4: Simplify right side
    57,124.51x = 1,685,577,046.08
  5. Step 5: Solve for x
    x = 1,685,577,046.08/57,124.51
  6. Step 6: Final answer
    x = 29,507.07

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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.