Home / 77,974.18-107,598.16-43,971.76

Finding the Fourth Proportional to 77,974.18, 107,598.16 and 43,971.76

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Solution

The fourth proportional to 77,974.18, 107,598.16 and 43,971.76 is: 60,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.18 : 107,598.16 = 43,971.76 : x
  2. Step 2: Convert to fraction form
    77,974.18/107,598.16 = 43,971.76/x
  3. Step 3: Cross multiply
    77,974.18x = 107,598.16 × 43,971.76
  4. Step 4: Simplify right side
    77,974.18x = 4,731,280,467.96
  5. Step 5: Solve for x
    x = 4,731,280,467.96/77,974.18
  6. Step 6: Final answer
    x = 60,677.53

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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.