Home / 124,516.99-171,836.18-67,928.32

Finding the Fourth Proportional to 124,516.99, 171,836.18 and 67,928.32

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Solution

The fourth proportional to 124,516.99, 171,836.18 and 67,928.32 is: 93,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.99 : 171,836.18 = 67,928.32 : x
  2. Step 2: Convert to fraction form
    124,516.99/171,836.18 = 67,928.32/x
  3. Step 3: Cross multiply
    124,516.99x = 171,836.18 × 67,928.32
  4. Step 4: Simplify right side
    124,516.99x = 11,672,543,022.62
  5. Step 5: Solve for x
    x = 11,672,543,022.62/124,516.99
  6. Step 6: Final answer
    x = 93,742.57

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1.5x scale

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.