Home / 55,870.14-77,099.68-30,377.01

Finding the Fourth Proportional to 55,870.14, 77,099.68 and 30,377.01

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Solution

The fourth proportional to 55,870.14, 77,099.68 and 30,377.01 is: 41,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,870.14 : 77,099.68 = 30,377.01 : x
  2. Step 2: Convert to fraction form
    55,870.14/77,099.68 = 30,377.01/x
  3. Step 3: Cross multiply
    55,870.14x = 77,099.68 × 30,377.01
  4. Step 4: Simplify right side
    55,870.14x = 2,342,057,750.36
  5. Step 5: Solve for x
    x = 2,342,057,750.36/55,870.14
  6. Step 6: Final answer
    x = 41,919.67

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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.