Home / 124,453.83-171,739.53-70,731.39

Finding the Fourth Proportional to 124,453.83, 171,739.53 and 70,731.39

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Solution

The fourth proportional to 124,453.83, 171,739.53 and 70,731.39 is: 97,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,453.83 : 171,739.53 = 70,731.39 : x
  2. Step 2: Convert to fraction form
    124,453.83/171,739.53 = 70,731.39/x
  3. Step 3: Cross multiply
    124,453.83x = 171,739.53 × 70,731.39
  4. Step 4: Simplify right side
    124,453.83x = 12,147,375,674.85
  5. Step 5: Solve for x
    x = 12,147,375,674.85/124,453.83
  6. Step 6: Final answer
    x = 97,605.48

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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.