Home / 42,564.21-63,780.39-29,243.58

Finding the Fourth Proportional to 42,564.21, 63,780.39 and 29,243.58

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Solution

The fourth proportional to 42,564.21, 63,780.39 and 29,243.58 is: 43,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564.21 : 63,780.39 = 29,243.58 : x
  2. Step 2: Convert to fraction form
    42,564.21/63,780.39 = 29,243.58/x
  3. Step 3: Cross multiply
    42,564.21x = 63,780.39 × 29,243.58
  4. Step 4: Simplify right side
    42,564.21x = 1,865,166,937.40
  5. Step 5: Solve for x
    x = 1,865,166,937.40/42,564.21
  6. Step 6: Final answer
    x = 43,820.08

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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.