Home / 77,967.43-107,597.01-47,769.40

Finding the Fourth Proportional to 77,967.43, 107,597.01 and 47,769.40

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Solution

The fourth proportional to 77,967.43, 107,597.01 and 47,769.40 is: 65,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.43 : 107,597.01 = 47,769.40 : x
  2. Step 2: Convert to fraction form
    77,967.43/107,597.01 = 47,769.40/x
  3. Step 3: Cross multiply
    77,967.43x = 107,597.01 × 47,769.40
  4. Step 4: Simplify right side
    77,967.43x = 5,139,844,609.49
  5. Step 5: Solve for x
    x = 5,139,844,609.49/77,967.43
  6. Step 6: Final answer
    x = 65,922.98

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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.