Home / 42,240.84-63,364.68-11,076

Finding the Fourth Proportional to 42,240.84, 63,364.68 and 11,076

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Solution

The fourth proportional to 42,240.84, 63,364.68 and 11,076 is: 16,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,240.84 : 63,364.68 = 11,076 : x
  2. Step 2: Convert to fraction form
    42,240.84/63,364.68 = 11,076/x
  3. Step 3: Cross multiply
    42,240.84x = 63,364.68 × 11,076
  4. Step 4: Simplify right side
    42,240.84x = 701,827,195.68
  5. Step 5: Solve for x
    x = 701,827,195.68/42,240.84
  6. Step 6: Final answer
    x = 16,614.90

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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.