Home / 62,420.22-86,139.90-34,125.90

Finding the Fourth Proportional to 62,420.22, 86,139.90 and 34,125.90

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Solution

The fourth proportional to 62,420.22, 86,139.90 and 34,125.90 is: 47,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.22 : 86,139.90 = 34,125.90 : x
  2. Step 2: Convert to fraction form
    62,420.22/86,139.90 = 34,125.90/x
  3. Step 3: Cross multiply
    62,420.22x = 86,139.90 × 34,125.90
  4. Step 4: Simplify right side
    62,420.22x = 2,939,601,613.41
  5. Step 5: Solve for x
    x = 2,939,601,613.41/62,420.22
  6. Step 6: Final answer
    x = 47,093.74

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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.