Home / 52,454.95-72,388.16-31,235.11

Finding the Fourth Proportional to 52,454.95, 72,388.16 and 31,235.11

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Solution

The fourth proportional to 52,454.95, 72,388.16 and 31,235.11 is: 43,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.95 : 72,388.16 = 31,235.11 : x
  2. Step 2: Convert to fraction form
    52,454.95/72,388.16 = 31,235.11/x
  3. Step 3: Cross multiply
    52,454.95x = 72,388.16 × 31,235.11
  4. Step 4: Simplify right side
    52,454.95x = 2,261,052,140.30
  5. Step 5: Solve for x
    x = 2,261,052,140.30/52,454.95
  6. Step 6: Final answer
    x = 43,104.65

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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.