Home / 42,308.96-63,320.40-41,170.45

Finding the Fourth Proportional to 42,308.96, 63,320.40 and 41,170.45

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Solution

The fourth proportional to 42,308.96, 63,320.40 and 41,170.45 is: 61,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.96 : 63,320.40 = 41,170.45 : x
  2. Step 2: Convert to fraction form
    42,308.96/63,320.40 = 41,170.45/x
  3. Step 3: Cross multiply
    42,308.96x = 63,320.40 × 41,170.45
  4. Step 4: Simplify right side
    42,308.96x = 2,606,928,839.73
  5. Step 5: Solve for x
    x = 2,606,928,839.73/42,308.96
  6. Step 6: Final answer
    x = 61,616.47

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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.