Home / 55,371.60-83,057.40-45,530.10

Finding the Fourth Proportional to 55,371.60, 83,057.40 and 45,530.10

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Solution

The fourth proportional to 55,371.60, 83,057.40 and 45,530.10 is: 68,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.60 : 83,057.40 = 45,530.10 : x
  2. Step 2: Convert to fraction form
    55,371.60/83,057.40 = 45,530.10/x
  3. Step 3: Cross multiply
    55,371.60x = 83,057.40 × 45,530.10
  4. Step 4: Simplify right side
    55,371.60x = 3,781,611,727.74
  5. Step 5: Solve for x
    x = 3,781,611,727.74/55,371.60
  6. Step 6: Final answer
    x = 68,295.15

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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.