Home / 50,666.10-75,999.15-13,730.10

Finding the Fourth Proportional to 50,666.10, 75,999.15 and 13,730.10

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Solution

The fourth proportional to 50,666.10, 75,999.15 and 13,730.10 is: 20,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.10 : 75,999.15 = 13,730.10 : x
  2. Step 2: Convert to fraction form
    50,666.10/75,999.15 = 13,730.10/x
  3. Step 3: Cross multiply
    50,666.10x = 75,999.15 × 13,730.10
  4. Step 4: Simplify right side
    50,666.10x = 1,043,475,929.42
  5. Step 5: Solve for x
    x = 1,043,475,929.42/50,666.10
  6. Step 6: Final answer
    x = 20,595.15

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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.