Home / 67,865.18-93,653.78-37,655.08

Finding the Fourth Proportional to 67,865.18, 93,653.78 and 37,655.08

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Solution

The fourth proportional to 67,865.18, 93,653.78 and 37,655.08 is: 51,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,865.18 : 93,653.78 = 37,655.08 : x
  2. Step 2: Convert to fraction form
    67,865.18/93,653.78 = 37,655.08/x
  3. Step 3: Cross multiply
    67,865.18x = 93,653.78 × 37,655.08
  4. Step 4: Simplify right side
    67,865.18x = 3,526,540,578.20
  5. Step 5: Solve for x
    x = 3,526,540,578.20/67,865.18
  6. Step 6: Final answer
    x = 51,963.92

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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.