Home / 66,497.20-91,764.35-36,282.51

Finding the Fourth Proportional to 66,497.20, 91,764.35 and 36,282.51

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Solution

The fourth proportional to 66,497.20, 91,764.35 and 36,282.51 is: 50,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.20 : 91,764.35 = 36,282.51 : x
  2. Step 2: Convert to fraction form
    66,497.20/91,764.35 = 36,282.51/x
  3. Step 3: Cross multiply
    66,497.20x = 91,764.35 × 36,282.51
  4. Step 4: Simplify right side
    66,497.20x = 3,329,440,946.52
  5. Step 5: Solve for x
    x = 3,329,440,946.52/66,497.20
  6. Step 6: Final answer
    x = 50,068.89

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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.