Home / 77,659.02-116,491.19-21,494.43

Finding the Fourth Proportional to 77,659.02, 116,491.19 and 21,494.43

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Solution

The fourth proportional to 77,659.02, 116,491.19 and 21,494.43 is: 32,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.02 : 116,491.19 = 21,494.43 : x
  2. Step 2: Convert to fraction form
    77,659.02/116,491.19 = 21,494.43/x
  3. Step 3: Cross multiply
    77,659.02x = 116,491.19 × 21,494.43
  4. Step 4: Simplify right side
    77,659.02x = 2,503,911,621.60
  5. Step 5: Solve for x
    x = 2,503,911,621.60/77,659.02
  6. Step 6: Final answer
    x = 32,242.38

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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.