Home / 124,367.48-171,626.47-67,778.36

Finding the Fourth Proportional to 124,367.48, 171,626.47 and 67,778.36

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Solution

The fourth proportional to 124,367.48, 171,626.47 and 67,778.36 is: 93,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,367.48 : 171,626.47 = 67,778.36 : x
  2. Step 2: Convert to fraction form
    124,367.48/171,626.47 = 67,778.36/x
  3. Step 3: Cross multiply
    124,367.48x = 171,626.47 × 67,778.36
  4. Step 4: Simplify right side
    124,367.48x = 11,632,559,641.61
  5. Step 5: Solve for x
    x = 11,632,559,641.61/124,367.48
  6. Step 6: Final answer
    x = 93,533.78

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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.