Home / 81,869.21-112,977.00-46,061.18

Finding the Fourth Proportional to 81,869.21, 112,977.00 and 46,061.18

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Solution

The fourth proportional to 81,869.21, 112,977.00 and 46,061.18 is: 63,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869.21 : 112,977.00 = 46,061.18 : x
  2. Step 2: Convert to fraction form
    81,869.21/112,977.00 = 46,061.18/x
  3. Step 3: Cross multiply
    81,869.21x = 112,977.00 × 46,061.18
  4. Step 4: Simplify right side
    81,869.21x = 5,203,854,238.93
  5. Step 5: Solve for x
    x = 5,203,854,238.93/81,869.21
  6. Step 6: Final answer
    x = 63,563.02

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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.