Home / 66,328.47-91,532.43-36,113.45

Finding the Fourth Proportional to 66,328.47, 91,532.43 and 36,113.45

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Solution

The fourth proportional to 66,328.47, 91,532.43 and 36,113.45 is: 49,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.47 : 91,532.43 = 36,113.45 : x
  2. Step 2: Convert to fraction form
    66,328.47/91,532.43 = 36,113.45/x
  3. Step 3: Cross multiply
    66,328.47x = 91,532.43 × 36,113.45
  4. Step 4: Simplify right side
    66,328.47x = 3,305,551,376.52
  5. Step 5: Solve for x
    x = 3,305,551,376.52/66,328.47
  6. Step 6: Final answer
    x = 49,836.09

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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.