Home / 86,749.02-130,136.49-27,586.62

Finding the Fourth Proportional to 86,749.02, 130,136.49 and 27,586.62

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Solution

The fourth proportional to 86,749.02, 130,136.49 and 27,586.62 is: 41,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749.02 : 130,136.49 = 27,586.62 : x
  2. Step 2: Convert to fraction form
    86,749.02/130,136.49 = 27,586.62/x
  3. Step 3: Cross multiply
    86,749.02x = 130,136.49 × 27,586.62
  4. Step 4: Simplify right side
    86,749.02x = 3,590,025,897.76
  5. Step 5: Solve for x
    x = 3,590,025,897.76/86,749.02
  6. Step 6: Final answer
    x = 41,384.05

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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.