Home / 124,619.50-171,975.63-68,031.46

Finding the Fourth Proportional to 124,619.50, 171,975.63 and 68,031.46

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Solution

The fourth proportional to 124,619.50, 171,975.63 and 68,031.46 is: 93,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,619.50 : 171,975.63 = 68,031.46 : x
  2. Step 2: Convert to fraction form
    124,619.50/171,975.63 = 68,031.46/x
  3. Step 3: Cross multiply
    124,619.50x = 171,975.63 × 68,031.46
  4. Step 4: Simplify right side
    124,619.50x = 11,699,753,193.32
  5. Step 5: Solve for x
    x = 11,699,753,193.32/124,619.50
  6. Step 6: Final answer
    x = 93,883.81

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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.