Home / 77,966.70-107,589.62-43,973.15

Finding the Fourth Proportional to 77,966.70, 107,589.62 and 43,973.15

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Solution

The fourth proportional to 77,966.70, 107,589.62 and 43,973.15 is: 60,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966.70 : 107,589.62 = 43,973.15 : x
  2. Step 2: Convert to fraction form
    77,966.70/107,589.62 = 43,973.15/x
  3. Step 3: Cross multiply
    77,966.70x = 107,589.62 × 43,973.15
  4. Step 4: Simplify right side
    77,966.70x = 4,731,054,498.70
  5. Step 5: Solve for x
    x = 4,731,054,498.70/77,966.70
  6. Step 6: Final answer
    x = 60,680.45

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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.