Home / 87,051.42-130,586.49-37,136.79

Finding the Fourth Proportional to 87,051.42, 130,586.49 and 37,136.79

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Solution

The fourth proportional to 87,051.42, 130,586.49 and 37,136.79 is: 55,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.42 : 130,586.49 = 37,136.79 : x
  2. Step 2: Convert to fraction form
    87,051.42/130,586.49 = 37,136.79/x
  3. Step 3: Cross multiply
    87,051.42x = 130,586.49 × 37,136.79
  4. Step 4: Simplify right side
    87,051.42x = 4,849,563,055.97
  5. Step 5: Solve for x
    x = 4,849,563,055.97/87,051.42
  6. Step 6: Final answer
    x = 55,709.18

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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.