Home / 53,765.57-74,175.75-34,643.90

Finding the Fourth Proportional to 53,765.57, 74,175.75 and 34,643.90

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Solution

The fourth proportional to 53,765.57, 74,175.75 and 34,643.90 is: 47,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.57 : 74,175.75 = 34,643.90 : x
  2. Step 2: Convert to fraction form
    53,765.57/74,175.75 = 34,643.90/x
  3. Step 3: Cross multiply
    53,765.57x = 74,175.75 × 34,643.90
  4. Step 4: Simplify right side
    53,765.57x = 2,569,737,450.86
  5. Step 5: Solve for x
    x = 2,569,737,450.86/53,765.57
  6. Step 6: Final answer
    x = 47,795.22

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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.