Home / 62,840.45-86,721.29-34,161.74

Finding the Fourth Proportional to 62,840.45, 86,721.29 and 34,161.74

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Solution

The fourth proportional to 62,840.45, 86,721.29 and 34,161.74 is: 47,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.45 : 86,721.29 = 34,161.74 : x
  2. Step 2: Convert to fraction form
    62,840.45/86,721.29 = 34,161.74/x
  3. Step 3: Cross multiply
    62,840.45x = 86,721.29 × 34,161.74
  4. Step 4: Simplify right side
    62,840.45x = 2,962,549,557.03
  5. Step 5: Solve for x
    x = 2,962,549,557.03/62,840.45
  6. Step 6: Final answer
    x = 47,143.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.