Home / 51,549.92-77,322.05-14,107.28

Finding the Fourth Proportional to 51,549.92, 77,322.05 and 14,107.28

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Solution

The fourth proportional to 51,549.92, 77,322.05 and 14,107.28 is: 21,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.92 : 77,322.05 = 14,107.28 : x
  2. Step 2: Convert to fraction form
    51,549.92/77,322.05 = 14,107.28/x
  3. Step 3: Cross multiply
    51,549.92x = 77,322.05 × 14,107.28
  4. Step 4: Simplify right side
    51,549.92x = 1,090,803,352.38
  5. Step 5: Solve for x
    x = 1,090,803,352.38/51,549.92
  6. Step 6: Final answer
    x = 21,160.14

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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.