Home / 77,330.95-115,997.11-30,583.83

Finding the Fourth Proportional to 77,330.95, 115,997.11 and 30,583.83

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Solution

The fourth proportional to 77,330.95, 115,997.11 and 30,583.83 is: 45,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.95 : 115,997.11 = 30,583.83 : x
  2. Step 2: Convert to fraction form
    77,330.95/115,997.11 = 30,583.83/x
  3. Step 3: Cross multiply
    77,330.95x = 115,997.11 × 30,583.83
  4. Step 4: Simplify right side
    77,330.95x = 3,547,635,770.81
  5. Step 5: Solve for x
    x = 3,547,635,770.81/77,330.95
  6. Step 6: Final answer
    x = 45,876.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.