Home / 114,039.54-171,079.86-39,140.34

Finding the Fourth Proportional to 114,039.54, 171,079.86 and 39,140.34

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Solution

The fourth proportional to 114,039.54, 171,079.86 and 39,140.34 is: 58,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.54 : 171,079.86 = 39,140.34 : x
  2. Step 2: Convert to fraction form
    114,039.54/171,079.86 = 39,140.34/x
  3. Step 3: Cross multiply
    114,039.54x = 171,079.86 × 39,140.34
  4. Step 4: Simplify right side
    114,039.54x = 6,696,123,887.55
  5. Step 5: Solve for x
    x = 6,696,123,887.55/114,039.54
  6. Step 6: Final answer
    x = 58,717.56

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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.