Home / 126,782.24-174,962.18-69,423.98

Finding the Fourth Proportional to 126,782.24, 174,962.18 and 69,423.98

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Solution

The fourth proportional to 126,782.24, 174,962.18 and 69,423.98 is: 95,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,782.24 : 174,962.18 = 69,423.98 : x
  2. Step 2: Convert to fraction form
    126,782.24/174,962.18 = 69,423.98/x
  3. Step 3: Cross multiply
    126,782.24x = 174,962.18 × 69,423.98
  4. Step 4: Simplify right side
    126,782.24x = 12,146,570,537.96
  5. Step 5: Solve for x
    x = 12,146,570,537.96/126,782.24
  6. Step 6: Final answer
    x = 95,806.56

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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.