Home / 67,044.08-92,492.52-40,178

Finding the Fourth Proportional to 67,044.08, 92,492.52 and 40,178

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Solution

The fourth proportional to 67,044.08, 92,492.52 and 40,178 is: 55,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,044.08 : 92,492.52 = 40,178 : x
  2. Step 2: Convert to fraction form
    67,044.08/92,492.52 = 40,178/x
  3. Step 3: Cross multiply
    67,044.08x = 92,492.52 × 40,178
  4. Step 4: Simplify right side
    67,044.08x = 3,716,164,468.56
  5. Step 5: Solve for x
    x = 3,716,164,468.56/67,044.08
  6. Step 6: Final answer
    x = 55,428.67

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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.