Home / 75,722.40-113,458.04-46,050.48

Finding the Fourth Proportional to 75,722.40, 113,458.04 and 46,050.48

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Solution

The fourth proportional to 75,722.40, 113,458.04 and 46,050.48 is: 68,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722.40 : 113,458.04 = 46,050.48 : x
  2. Step 2: Convert to fraction form
    75,722.40/113,458.04 = 46,050.48/x
  3. Step 3: Cross multiply
    75,722.40x = 113,458.04 × 46,050.48
  4. Step 4: Simplify right side
    75,722.40x = 5,224,796,971.61
  5. Step 5: Solve for x
    x = 5,224,796,971.61/75,722.40
  6. Step 6: Final answer
    x = 68,999.36

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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.