Home / 81,963.10-113,107.98-46,156.63

Finding the Fourth Proportional to 81,963.10, 113,107.98 and 46,156.63

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Solution

The fourth proportional to 81,963.10, 113,107.98 and 46,156.63 is: 63,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,963.10 : 113,107.98 = 46,156.63 : x
  2. Step 2: Convert to fraction form
    81,963.10/113,107.98 = 46,156.63/x
  3. Step 3: Cross multiply
    81,963.10x = 113,107.98 × 46,156.63
  4. Step 4: Simplify right side
    81,963.10x = 5,220,683,182.91
  5. Step 5: Solve for x
    x = 5,220,683,182.91/81,963.10
  6. Step 6: Final answer
    x = 63,695.53

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1.5x scale

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.