Home / 90,915.26-136,222.52-46,480.88

Finding the Fourth Proportional to 90,915.26, 136,222.52 and 46,480.88

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Solution

The fourth proportional to 90,915.26, 136,222.52 and 46,480.88 is: 69,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,915.26 : 136,222.52 = 46,480.88 : x
  2. Step 2: Convert to fraction form
    90,915.26/136,222.52 = 46,480.88/x
  3. Step 3: Cross multiply
    90,915.26x = 136,222.52 × 46,480.88
  4. Step 4: Simplify right side
    90,915.26x = 6,331,742,713.57
  5. Step 5: Solve for x
    x = 6,331,742,713.57/90,915.26
  6. Step 6: Final answer
    x = 69,644.45

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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.