Home / 77,561.84-116,190.48-51,186.08

Finding the Fourth Proportional to 77,561.84, 116,190.48 and 51,186.08

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Solution

The fourth proportional to 77,561.84, 116,190.48 and 51,186.08 is: 76,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,561.84 : 116,190.48 = 51,186.08 : x
  2. Step 2: Convert to fraction form
    77,561.84/116,190.48 = 51,186.08/x
  3. Step 3: Cross multiply
    77,561.84x = 116,190.48 × 51,186.08
  4. Step 4: Simplify right side
    77,561.84x = 5,947,335,204.52
  5. Step 5: Solve for x
    x = 5,947,335,204.52/77,561.84
  6. Step 6: Final answer
    x = 76,678.62

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1.5x scale

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.