Home / 67,156.34-92,682.53-38,479.80

Finding the Fourth Proportional to 67,156.34, 92,682.53 and 38,479.80

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Solution

The fourth proportional to 67,156.34, 92,682.53 and 38,479.80 is: 53,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156.34 : 92,682.53 = 38,479.80 : x
  2. Step 2: Convert to fraction form
    67,156.34/92,682.53 = 38,479.80/x
  3. Step 3: Cross multiply
    67,156.34x = 92,682.53 × 38,479.80
  4. Step 4: Simplify right side
    67,156.34x = 3,566,405,025.50
  5. Step 5: Solve for x
    x = 3,566,405,025.50/67,156.34
  6. Step 6: Final answer
    x = 53,106.01

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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.