Home / 75,419.04-113,050.80-33,895.20

Finding the Fourth Proportional to 75,419.04, 113,050.80 and 33,895.20

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Solution

The fourth proportional to 75,419.04, 113,050.80 and 33,895.20 is: 50,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.04 : 113,050.80 = 33,895.20 : x
  2. Step 2: Convert to fraction form
    75,419.04/113,050.80 = 33,895.20/x
  3. Step 3: Cross multiply
    75,419.04x = 113,050.80 × 33,895.20
  4. Step 4: Simplify right side
    75,419.04x = 3,831,879,476.16
  5. Step 5: Solve for x
    x = 3,831,879,476.16/75,419.04
  6. Step 6: Final answer
    x = 50,807.85

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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.