Home / 67,179.48-92,697.90-40,316.28

Finding the Fourth Proportional to 67,179.48, 92,697.90 and 40,316.28

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Solution

The fourth proportional to 67,179.48, 92,697.90 and 40,316.28 is: 55,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,179.48 : 92,697.90 = 40,316.28 : x
  2. Step 2: Convert to fraction form
    67,179.48/92,697.90 = 40,316.28/x
  3. Step 3: Cross multiply
    67,179.48x = 92,697.90 × 40,316.28
  4. Step 4: Simplify right side
    67,179.48x = 3,737,234,491.81
  5. Step 5: Solve for x
    x = 3,737,234,491.81/67,179.48
  6. Step 6: Final answer
    x = 55,630.60

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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.