Home / 67,784.41-93,521.10-39,100.22

Finding the Fourth Proportional to 67,784.41, 93,521.10 and 39,100.22

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Solution

The fourth proportional to 67,784.41, 93,521.10 and 39,100.22 is: 53,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784.41 : 93,521.10 = 39,100.22 : x
  2. Step 2: Convert to fraction form
    67,784.41/93,521.10 = 39,100.22/x
  3. Step 3: Cross multiply
    67,784.41x = 93,521.10 × 39,100.22
  4. Step 4: Simplify right side
    67,784.41x = 3,656,695,584.64
  5. Step 5: Solve for x
    x = 3,656,695,584.64/67,784.41
  6. Step 6: Final answer
    x = 53,945.97

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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.