Home / 74,975.31-112,441.10-35,521.83

Finding the Fourth Proportional to 74,975.31, 112,441.10 and 35,521.83

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Solution

The fourth proportional to 74,975.31, 112,441.10 and 35,521.83 is: 53,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.31 : 112,441.10 = 35,521.83 : x
  2. Step 2: Convert to fraction form
    74,975.31/112,441.10 = 35,521.83/x
  3. Step 3: Cross multiply
    74,975.31x = 112,441.10 × 35,521.83
  4. Step 4: Simplify right side
    74,975.31x = 3,994,113,461.60
  5. Step 5: Solve for x
    x = 3,994,113,461.60/74,975.31
  6. Step 6: Final answer
    x = 53,272.38

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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.