Home / 66,095.86-91,212.32-35,881.18

Finding the Fourth Proportional to 66,095.86, 91,212.32 and 35,881.18

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Solution

The fourth proportional to 66,095.86, 91,212.32 and 35,881.18 is: 49,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095.86 : 91,212.32 = 35,881.18 : x
  2. Step 2: Convert to fraction form
    66,095.86/91,212.32 = 35,881.18/x
  3. Step 3: Cross multiply
    66,095.86x = 91,212.32 × 35,881.18
  4. Step 4: Simplify right side
    66,095.86x = 3,272,805,672.14
  5. Step 5: Solve for x
    x = 3,272,805,672.14/66,095.86
  6. Step 6: Final answer
    x = 49,516.05

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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.