Home / 66,329.46-91,532.52-39,465.81

Finding the Fourth Proportional to 66,329.46, 91,532.52 and 39,465.81

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Solution

The fourth proportional to 66,329.46, 91,532.52 and 39,465.81 is: 54,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.46 : 91,532.52 = 39,465.81 : x
  2. Step 2: Convert to fraction form
    66,329.46/91,532.52 = 39,465.81/x
  3. Step 3: Cross multiply
    66,329.46x = 91,532.52 × 39,465.81
  4. Step 4: Simplify right side
    66,329.46x = 3,612,405,043.14
  5. Step 5: Solve for x
    x = 3,612,405,043.14/66,329.46
  6. Step 6: Final answer
    x = 54,461.55

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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.