Home / 77,125.47-115,697.54-27,195.35

Finding the Fourth Proportional to 77,125.47, 115,697.54 and 27,195.35

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Solution

The fourth proportional to 77,125.47, 115,697.54 and 27,195.35 is: 40,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,125.47 : 115,697.54 = 27,195.35 : x
  2. Step 2: Convert to fraction form
    77,125.47/115,697.54 = 27,195.35/x
  3. Step 3: Cross multiply
    77,125.47x = 115,697.54 × 27,195.35
  4. Step 4: Simplify right side
    77,125.47x = 3,146,434,507.45
  5. Step 5: Solve for x
    x = 3,146,434,507.45/77,125.47
  6. Step 6: Final answer
    x = 40,796.31

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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.