Home / 58,600.26-87,890.67-21,153.15

Finding the Fourth Proportional to 58,600.26, 87,890.67 and 21,153.15

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Solution

The fourth proportional to 58,600.26, 87,890.67 and 21,153.15 is: 31,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,600.26 : 87,890.67 = 21,153.15 : x
  2. Step 2: Convert to fraction form
    58,600.26/87,890.67 = 21,153.15/x
  3. Step 3: Cross multiply
    58,600.26x = 87,890.67 × 21,153.15
  4. Step 4: Simplify right side
    58,600.26x = 1,859,164,526.11
  5. Step 5: Solve for x
    x = 1,859,164,526.11/58,600.26
  6. Step 6: Final answer
    x = 31,726.22

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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.