Home / 67,891.18-93,682.14-37,668.64

Finding the Fourth Proportional to 67,891.18, 93,682.14 and 37,668.64

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Solution

The fourth proportional to 67,891.18, 93,682.14 and 37,668.64 is: 51,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.18 : 93,682.14 = 37,668.64 : x
  2. Step 2: Convert to fraction form
    67,891.18/93,682.14 = 37,668.64/x
  3. Step 3: Cross multiply
    67,891.18x = 93,682.14 × 37,668.64
  4. Step 4: Simplify right side
    67,891.18x = 3,528,878,806.09
  5. Step 5: Solve for x
    x = 3,528,878,806.09/67,891.18
  6. Step 6: Final answer
    x = 51,978.46

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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.