Home / 67,548.16-93,228-39,270.24

Finding the Fourth Proportional to 67,548.16, 93,228 and 39,270.24

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Solution

The fourth proportional to 67,548.16, 93,228 and 39,270.24 is: 54,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.16 : 93,228 = 39,270.24 : x
  2. Step 2: Convert to fraction form
    67,548.16/93,228 = 39,270.24/x
  3. Step 3: Cross multiply
    67,548.16x = 93,228 × 39,270.24
  4. Step 4: Simplify right side
    67,548.16x = 3,661,085,934.72
  5. Step 5: Solve for x
    x = 3,661,085,934.72/67,548.16
  6. Step 6: Final answer
    x = 54,199.64

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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.