Home / 42,166.40-63,253.20-14,464.40

Finding the Fourth Proportional to 42,166.40, 63,253.20 and 14,464.40

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Solution

The fourth proportional to 42,166.40, 63,253.20 and 14,464.40 is: 21,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,166.40 : 63,253.20 = 14,464.40 : x
  2. Step 2: Convert to fraction form
    42,166.40/63,253.20 = 14,464.40/x
  3. Step 3: Cross multiply
    42,166.40x = 63,253.20 × 14,464.40
  4. Step 4: Simplify right side
    42,166.40x = 914,919,586.08
  5. Step 5: Solve for x
    x = 914,919,586.08/42,166.40
  6. Step 6: Final answer
    x = 21,697.83

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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.