Home / 66,275.69-91,463.65-37,981.44

Finding the Fourth Proportional to 66,275.69, 91,463.65 and 37,981.44

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Solution

The fourth proportional to 66,275.69, 91,463.65 and 37,981.44 is: 52,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,275.69 : 91,463.65 = 37,981.44 : x
  2. Step 2: Convert to fraction form
    66,275.69/91,463.65 = 37,981.44/x
  3. Step 3: Cross multiply
    66,275.69x = 91,463.65 × 37,981.44
  4. Step 4: Simplify right side
    66,275.69x = 3,473,921,039.70
  5. Step 5: Solve for x
    x = 3,473,921,039.70/66,275.69
  6. Step 6: Final answer
    x = 52,416.22

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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.