Home / 58,548.95-87,813.43-21,101.57

Finding the Fourth Proportional to 58,548.95, 87,813.43 and 21,101.57

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Solution

The fourth proportional to 58,548.95, 87,813.43 and 21,101.57 is: 31,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.95 : 87,813.43 = 21,101.57 : x
  2. Step 2: Convert to fraction form
    58,548.95/87,813.43 = 21,101.57/x
  3. Step 3: Cross multiply
    58,548.95x = 87,813.43 × 21,101.57
  4. Step 4: Simplify right side
    58,548.95x = 1,853,001,240.09
  5. Step 5: Solve for x
    x = 1,853,001,240.09/58,548.95
  6. Step 6: Final answer
    x = 31,648.75

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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.