Home / 67,497.40-93,130.50-39,186.28

Finding the Fourth Proportional to 67,497.40, 93,130.50 and 39,186.28

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Solution

The fourth proportional to 67,497.40, 93,130.50 and 39,186.28 is: 54,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.40 : 93,130.50 = 39,186.28 : x
  2. Step 2: Convert to fraction form
    67,497.40/93,130.50 = 39,186.28/x
  3. Step 3: Cross multiply
    67,497.40x = 93,130.50 × 39,186.28
  4. Step 4: Simplify right side
    67,497.40x = 3,649,437,849.54
  5. Step 5: Solve for x
    x = 3,649,437,849.54/67,497.40
  6. Step 6: Final answer
    x = 54,067.83

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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.