Home / 124,718.58-186,961.23-45,811.62

Finding the Fourth Proportional to 124,718.58, 186,961.23 and 45,811.62

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Solution

The fourth proportional to 124,718.58, 186,961.23 and 45,811.62 is: 68,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.58 : 186,961.23 = 45,811.62 : x
  2. Step 2: Convert to fraction form
    124,718.58/186,961.23 = 45,811.62/x
  3. Step 3: Cross multiply
    124,718.58x = 186,961.23 × 45,811.62
  4. Step 4: Simplify right side
    124,718.58x = 8,564,996,823.49
  5. Step 5: Solve for x
    x = 8,564,996,823.49/124,718.58
  6. Step 6: Final answer
    x = 68,674.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.