Home / 66,340.43-91,547.95-36,125.09

Finding the Fourth Proportional to 66,340.43, 91,547.95 and 36,125.09

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Solution

The fourth proportional to 66,340.43, 91,547.95 and 36,125.09 is: 49,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.43 : 91,547.95 = 36,125.09 : x
  2. Step 2: Convert to fraction form
    66,340.43/91,547.95 = 36,125.09/x
  3. Step 3: Cross multiply
    66,340.43x = 91,547.95 × 36,125.09
  4. Step 4: Simplify right side
    66,340.43x = 3,307,177,933.07
  5. Step 5: Solve for x
    x = 3,307,177,933.07/66,340.43
  6. Step 6: Final answer
    x = 49,851.62

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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.