Home / 67,140-92,653.44-36,927.20

Finding the Fourth Proportional to 67,140, 92,653.44 and 36,927.20

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Solution

The fourth proportional to 67,140, 92,653.44 and 36,927.20 is: 50,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140 : 92,653.44 = 36,927.20 : x
  2. Step 2: Convert to fraction form
    67,140/92,653.44 = 36,927.20/x
  3. Step 3: Cross multiply
    67,140x = 92,653.44 × 36,927.20
  4. Step 4: Simplify right side
    67,140x = 3,421,432,109.57
  5. Step 5: Solve for x
    x = 3,421,432,109.57/67,140
  6. Step 6: Final answer
    x = 50,959.67

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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.