Home / 42,169.86-63,123.56-26,554.68

Finding the Fourth Proportional to 42,169.86, 63,123.56 and 26,554.68

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Solution

The fourth proportional to 42,169.86, 63,123.56 and 26,554.68 is: 39,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.86 : 63,123.56 = 26,554.68 : x
  2. Step 2: Convert to fraction form
    42,169.86/63,123.56 = 26,554.68/x
  3. Step 3: Cross multiply
    42,169.86x = 63,123.56 × 26,554.68
  4. Step 4: Simplify right side
    42,169.86x = 1,676,225,936.26
  5. Step 5: Solve for x
    x = 1,676,225,936.26/42,169.86
  6. Step 6: Final answer
    x = 39,749.38

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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.