Home / 124,436.37-171,721.80-67,847.76

Finding the Fourth Proportional to 124,436.37, 171,721.80 and 67,847.76

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Solution

The fourth proportional to 124,436.37, 171,721.80 and 67,847.76 is: 93,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.37 : 171,721.80 = 67,847.76 : x
  2. Step 2: Convert to fraction form
    124,436.37/171,721.80 = 67,847.76/x
  3. Step 3: Cross multiply
    124,436.37x = 171,721.80 × 67,847.76
  4. Step 4: Simplify right side
    124,436.37x = 11,650,939,473.17
  5. Step 5: Solve for x
    x = 11,650,939,473.17/124,436.37
  6. Step 6: Final answer
    x = 93,629.70

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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.