Home / 77,784.90-107,442.36-59,524.56

Finding the Fourth Proportional to 77,784.90, 107,442.36 and 59,524.56

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Solution

The fourth proportional to 77,784.90, 107,442.36 and 59,524.56 is: 82,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,784.90 : 107,442.36 = 59,524.56 : x
  2. Step 2: Convert to fraction form
    77,784.90/107,442.36 = 59,524.56/x
  3. Step 3: Cross multiply
    77,784.90x = 107,442.36 × 59,524.56
  4. Step 4: Simplify right side
    77,784.90x = 6,395,459,204.36
  5. Step 5: Solve for x
    x = 6,395,459,204.36/77,784.90
  6. Step 6: Final answer
    x = 82,219.80

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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.