Home / 77,754.02-116,489.36-54,011.36

Finding the Fourth Proportional to 77,754.02, 116,489.36 and 54,011.36

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Solution

The fourth proportional to 77,754.02, 116,489.36 and 54,011.36 is: 80,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,754.02 : 116,489.36 = 54,011.36 : x
  2. Step 2: Convert to fraction form
    77,754.02/116,489.36 = 54,011.36/x
  3. Step 3: Cross multiply
    77,754.02x = 116,489.36 × 54,011.36
  4. Step 4: Simplify right side
    77,754.02x = 6,291,747,906.63
  5. Step 5: Solve for x
    x = 6,291,747,906.63/77,754.02
  6. Step 6: Final answer
    x = 80,918.62

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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.