Home / 77,932.51-107,546.89-43,941.07

Finding the Fourth Proportional to 77,932.51, 107,546.89 and 43,941.07

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Solution

The fourth proportional to 77,932.51, 107,546.89 and 43,941.07 is: 60,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,932.51 : 107,546.89 = 43,941.07 : x
  2. Step 2: Convert to fraction form
    77,932.51/107,546.89 = 43,941.07/x
  3. Step 3: Cross multiply
    77,932.51x = 107,546.89 × 43,941.07
  4. Step 4: Simplify right side
    77,932.51x = 4,725,725,421.77
  5. Step 5: Solve for x
    x = 4,725,725,421.77/77,932.51
  6. Step 6: Final answer
    x = 60,638.69

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1.5x scale

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.