Home / 67,076.48-92,568.12-38,400.68

Finding the Fourth Proportional to 67,076.48, 92,568.12 and 38,400.68

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Solution

The fourth proportional to 67,076.48, 92,568.12 and 38,400.68 is: 52,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.48 : 92,568.12 = 38,400.68 : x
  2. Step 2: Convert to fraction form
    67,076.48/92,568.12 = 38,400.68/x
  3. Step 3: Cross multiply
    67,076.48x = 92,568.12 × 38,400.68
  4. Step 4: Simplify right side
    67,076.48x = 3,554,678,754.32
  5. Step 5: Solve for x
    x = 3,554,678,754.32/67,076.48
  6. Step 6: Final answer
    x = 52,994.41

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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.