Home / 71,919.34-99,246.41-45,076.35

Finding the Fourth Proportional to 71,919.34, 99,246.41 and 45,076.35

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Solution

The fourth proportional to 71,919.34, 99,246.41 and 45,076.35 is: 62,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.34 : 99,246.41 = 45,076.35 : x
  2. Step 2: Convert to fraction form
    71,919.34/99,246.41 = 45,076.35/x
  3. Step 3: Cross multiply
    71,919.34x = 99,246.41 × 45,076.35
  4. Step 4: Simplify right side
    71,919.34x = 4,473,665,191.79
  5. Step 5: Solve for x
    x = 4,473,665,191.79/71,919.34
  6. Step 6: Final answer
    x = 62,203.92

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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.