Home / 42,668.51-63,975.29-17,725.77

Finding the Fourth Proportional to 42,668.51, 63,975.29 and 17,725.77

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Solution

The fourth proportional to 42,668.51, 63,975.29 and 17,725.77 is: 26,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.51 : 63,975.29 = 17,725.77 : x
  2. Step 2: Convert to fraction form
    42,668.51/63,975.29 = 17,725.77/x
  3. Step 3: Cross multiply
    42,668.51x = 63,975.29 × 17,725.77
  4. Step 4: Simplify right side
    42,668.51x = 1,134,011,187.59
  5. Step 5: Solve for x
    x = 1,134,011,187.59/42,668.51
  6. Step 6: Final answer
    x = 26,577.24

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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.