Home / 77,190.81-115,784.06-24,603.45

Finding the Fourth Proportional to 77,190.81, 115,784.06 and 24,603.45

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Solution

The fourth proportional to 77,190.81, 115,784.06 and 24,603.45 is: 36,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,190.81 : 115,784.06 = 24,603.45 : x
  2. Step 2: Convert to fraction form
    77,190.81/115,784.06 = 24,603.45/x
  3. Step 3: Cross multiply
    77,190.81x = 115,784.06 × 24,603.45
  4. Step 4: Simplify right side
    77,190.81x = 2,848,687,207.99
  5. Step 5: Solve for x
    x = 2,848,687,207.99/77,190.81
  6. Step 6: Final answer
    x = 36,904.49

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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.