Home / 51,668.28-77,492.16-14,218.74

Finding the Fourth Proportional to 51,668.28, 77,492.16 and 14,218.74

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Solution

The fourth proportional to 51,668.28, 77,492.16 and 14,218.74 is: 21,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.28 : 77,492.16 = 14,218.74 : x
  2. Step 2: Convert to fraction form
    51,668.28/77,492.16 = 14,218.74/x
  3. Step 3: Cross multiply
    51,668.28x = 77,492.16 × 14,218.74
  4. Step 4: Simplify right side
    51,668.28x = 1,101,840,875.08
  5. Step 5: Solve for x
    x = 1,101,840,875.08/51,668.28
  6. Step 6: Final answer
    x = 21,325.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.