Home / 96,941.15-133,713.04-62,888.78

Finding the Fourth Proportional to 96,941.15, 133,713.04 and 62,888.78

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Solution

The fourth proportional to 96,941.15, 133,713.04 and 62,888.78 is: 86,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,941.15 : 133,713.04 = 62,888.78 : x
  2. Step 2: Convert to fraction form
    96,941.15/133,713.04 = 62,888.78/x
  3. Step 3: Cross multiply
    96,941.15x = 133,713.04 × 62,888.78
  4. Step 4: Simplify right side
    96,941.15x = 8,409,049,955.69
  5. Step 5: Solve for x
    x = 8,409,049,955.69/96,941.15
  6. Step 6: Final answer
    x = 86,743.86

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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.