Home / 46,507.12-69,753.20-12,765.25

Finding the Fourth Proportional to 46,507.12, 69,753.20 and 12,765.25

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Solution

The fourth proportional to 46,507.12, 69,753.20 and 12,765.25 is: 19,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,507.12 : 69,753.20 = 12,765.25 : x
  2. Step 2: Convert to fraction form
    46,507.12/69,753.20 = 12,765.25/x
  3. Step 3: Cross multiply
    46,507.12x = 69,753.20 × 12,765.25
  4. Step 4: Simplify right side
    46,507.12x = 890,417,036.30
  5. Step 5: Solve for x
    x = 890,417,036.30/46,507.12
  6. Step 6: Final answer
    x = 19,145.82

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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.