Home / 112,915.19-169,438.38-50,585.69

Finding the Fourth Proportional to 112,915.19, 169,438.38 and 50,585.69

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Solution

The fourth proportional to 112,915.19, 169,438.38 and 50,585.69 is: 75,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,915.19 : 169,438.38 = 50,585.69 : x
  2. Step 2: Convert to fraction form
    112,915.19/169,438.38 = 50,585.69/x
  3. Step 3: Cross multiply
    112,915.19x = 169,438.38 × 50,585.69
  4. Step 4: Simplify right side
    112,915.19x = 8,571,157,364.78
  5. Step 5: Solve for x
    x = 8,571,157,364.78/112,915.19
  6. Step 6: Final answer
    x = 75,907.92

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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.