Home / 81,885.30-113,002.20-46,075.92

Finding the Fourth Proportional to 81,885.30, 113,002.20 and 46,075.92

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Solution

The fourth proportional to 81,885.30, 113,002.20 and 46,075.92 is: 63,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885.30 : 113,002.20 = 46,075.92 : x
  2. Step 2: Convert to fraction form
    81,885.30/113,002.20 = 46,075.92/x
  3. Step 3: Cross multiply
    81,885.30x = 113,002.20 × 46,075.92
  4. Step 4: Simplify right side
    81,885.30x = 5,206,680,327.02
  5. Step 5: Solve for x
    x = 5,206,680,327.02/81,885.30
  6. Step 6: Final answer
    x = 63,585.04

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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.