Home / 66,280.45-91,465.53-36,065.86

Finding the Fourth Proportional to 66,280.45, 91,465.53 and 36,065.86

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Solution

The fourth proportional to 66,280.45, 91,465.53 and 36,065.86 is: 49,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,280.45 : 91,465.53 = 36,065.86 : x
  2. Step 2: Convert to fraction form
    66,280.45/91,465.53 = 36,065.86/x
  3. Step 3: Cross multiply
    66,280.45x = 91,465.53 × 36,065.86
  4. Step 4: Simplify right side
    66,280.45x = 3,298,782,737.33
  5. Step 5: Solve for x
    x = 3,298,782,737.33/66,280.45
  6. Step 6: Final answer
    x = 49,770.07

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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.