Home / 62,990.88-86,826.09-42,566.55

Finding the Fourth Proportional to 62,990.88, 86,826.09 and 42,566.55

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Solution

The fourth proportional to 62,990.88, 86,826.09 and 42,566.55 is: 58,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.88 : 86,826.09 = 42,566.55 : x
  2. Step 2: Convert to fraction form
    62,990.88/86,826.09 = 42,566.55/x
  3. Step 3: Cross multiply
    62,990.88x = 86,826.09 × 42,566.55
  4. Step 4: Simplify right side
    62,990.88x = 3,695,887,101.29
  5. Step 5: Solve for x
    x = 3,695,887,101.29/62,990.88
  6. Step 6: Final answer
    x = 58,673.37

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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.