Home / 74,734.46-112,024.43-34,720.80

Finding the Fourth Proportional to 74,734.46, 112,024.43 and 34,720.80

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Solution

The fourth proportional to 74,734.46, 112,024.43 and 34,720.80 is: 52,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.46 : 112,024.43 = 34,720.80 : x
  2. Step 2: Convert to fraction form
    74,734.46/112,024.43 = 34,720.80/x
  3. Step 3: Cross multiply
    74,734.46x = 112,024.43 × 34,720.80
  4. Step 4: Simplify right side
    74,734.46x = 3,889,577,829.14
  5. Step 5: Solve for x
    x = 3,889,577,829.14/74,734.46
  6. Step 6: Final answer
    x = 52,045.31

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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.