Home / 211,039.35-316,575.42-61,282.11

Finding the Fourth Proportional to 211,039.35, 316,575.42 and 61,282.11

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Solution

The fourth proportional to 211,039.35, 316,575.42 and 61,282.11 is: 91,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,039.35 : 316,575.42 = 61,282.11 : x
  2. Step 2: Convert to fraction form
    211,039.35/316,575.42 = 61,282.11/x
  3. Step 3: Cross multiply
    211,039.35x = 316,575.42 × 61,282.11
  4. Step 4: Simplify right side
    211,039.35x = 19,400,409,711.74
  5. Step 5: Solve for x
    x = 19,400,409,711.74/211,039.35
  6. Step 6: Final answer
    x = 91,927.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.