Home / 77,136.17-106,447.43-43,144.52

Finding the Fourth Proportional to 77,136.17, 106,447.43 and 43,144.52

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Solution

The fourth proportional to 77,136.17, 106,447.43 and 43,144.52 is: 59,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.17 : 106,447.43 = 43,144.52 : x
  2. Step 2: Convert to fraction form
    77,136.17/106,447.43 = 43,144.52/x
  3. Step 3: Cross multiply
    77,136.17x = 106,447.43 × 43,144.52
  4. Step 4: Simplify right side
    77,136.17x = 4,592,622,848.21
  5. Step 5: Solve for x
    x = 4,592,622,848.21/77,136.17
  6. Step 6: Final answer
    x = 59,539.16

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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.