Home / 81,635.18-122,335.94-46,502.24

Finding the Fourth Proportional to 81,635.18, 122,335.94 and 46,502.24

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Solution

The fourth proportional to 81,635.18, 122,335.94 and 46,502.24 is: 69,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,635.18 : 122,335.94 = 46,502.24 : x
  2. Step 2: Convert to fraction form
    81,635.18/122,335.94 = 46,502.24/x
  3. Step 3: Cross multiply
    81,635.18x = 122,335.94 × 46,502.24
  4. Step 4: Simplify right side
    81,635.18x = 5,688,894,398.31
  5. Step 5: Solve for x
    x = 5,688,894,398.31/81,635.18
  6. Step 6: Final answer
    x = 69,686.80

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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.