Home / 77,835.00-107,412.60-47,197.87

Finding the Fourth Proportional to 77,835.00, 107,412.60 and 47,197.87

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Solution

The fourth proportional to 77,835.00, 107,412.60 and 47,197.87 is: 65,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,835.00 : 107,412.60 = 47,197.87 : x
  2. Step 2: Convert to fraction form
    77,835.00/107,412.60 = 47,197.87/x
  3. Step 3: Cross multiply
    77,835.00x = 107,412.60 × 47,197.87
  4. Step 4: Simplify right side
    77,835.00x = 5,069,645,839.62
  5. Step 5: Solve for x
    x = 5,069,645,839.62/77,835.00
  6. Step 6: Final answer
    x = 65,133.24

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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.