Home / 71,919.59-99,246.75-45,076.60

Finding the Fourth Proportional to 71,919.59, 99,246.75 and 45,076.60

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Solution

The fourth proportional to 71,919.59, 99,246.75 and 45,076.60 is: 62,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.59 : 99,246.75 = 45,076.60 : x
  2. Step 2: Convert to fraction form
    71,919.59/99,246.75 = 45,076.60/x
  3. Step 3: Cross multiply
    71,919.59x = 99,246.75 × 45,076.60
  4. Step 4: Simplify right side
    71,919.59x = 4,473,705,554.82
  5. Step 5: Solve for x
    x = 4,473,705,554.82/71,919.59
  6. Step 6: Final answer
    x = 62,204.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.