Home / 77,973.18-107,596.79-43,970.76

Finding the Fourth Proportional to 77,973.18, 107,596.79 and 43,970.76

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Solution

The fourth proportional to 77,973.18, 107,596.79 and 43,970.76 is: 60,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,973.18 : 107,596.79 = 43,970.76 : x
  2. Step 2: Convert to fraction form
    77,973.18/107,596.79 = 43,970.76/x
  3. Step 3: Cross multiply
    77,973.18x = 107,596.79 × 43,970.76
  4. Step 4: Simplify right side
    77,973.18x = 4,731,112,410.01
  5. Step 5: Solve for x
    x = 4,731,112,410.01/77,973.18
  6. Step 6: Final answer
    x = 60,676.15

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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.