Home / 77,553.39-116,364.65-40,608.75

Finding the Fourth Proportional to 77,553.39, 116,364.65 and 40,608.75

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Solution

The fourth proportional to 77,553.39, 116,364.65 and 40,608.75 is: 60,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.39 : 116,364.65 = 40,608.75 : x
  2. Step 2: Convert to fraction form
    77,553.39/116,364.65 = 40,608.75/x
  3. Step 3: Cross multiply
    77,553.39x = 116,364.65 × 40,608.75
  4. Step 4: Simplify right side
    77,553.39x = 4,725,422,777.64
  5. Step 5: Solve for x
    x = 4,725,422,777.64/77,553.39
  6. Step 6: Final answer
    x = 60,931.22

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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.