Home / 77,387.36-116,089.40-33,018.80

Finding the Fourth Proportional to 77,387.36, 116,089.40 and 33,018.80

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Solution

The fourth proportional to 77,387.36, 116,089.40 and 33,018.80 is: 49,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.36 : 116,089.40 = 33,018.80 : x
  2. Step 2: Convert to fraction form
    77,387.36/116,089.40 = 33,018.80/x
  3. Step 3: Cross multiply
    77,387.36x = 116,089.40 × 33,018.80
  4. Step 4: Simplify right side
    77,387.36x = 3,833,132,680.72
  5. Step 5: Solve for x
    x = 3,833,132,680.72/77,387.36
  6. Step 6: Final answer
    x = 49,531.77

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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.