Home / 124,662.85-187,076.28-45,777.76

Finding the Fourth Proportional to 124,662.85, 187,076.28 and 45,777.76

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Solution

The fourth proportional to 124,662.85, 187,076.28 and 45,777.76 is: 68,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,662.85 : 187,076.28 = 45,777.76 : x
  2. Step 2: Convert to fraction form
    124,662.85/187,076.28 = 45,777.76/x
  3. Step 3: Cross multiply
    124,662.85x = 187,076.28 × 45,777.76
  4. Step 4: Simplify right side
    124,662.85x = 8,563,932,751.51
  5. Step 5: Solve for x
    x = 8,563,932,751.51/124,662.85
  6. Step 6: Final answer
    x = 68,696.75

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1.5x scale

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.