Home / 113,669.73-156,860.63-62,684.61

Finding the Fourth Proportional to 113,669.73, 156,860.63 and 62,684.61

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Solution

The fourth proportional to 113,669.73, 156,860.63 and 62,684.61 is: 86,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,669.73 : 156,860.63 = 62,684.61 : x
  2. Step 2: Convert to fraction form
    113,669.73/156,860.63 = 62,684.61/x
  3. Step 3: Cross multiply
    113,669.73x = 156,860.63 × 62,684.61
  4. Step 4: Simplify right side
    113,669.73x = 9,832,746,318.18
  5. Step 5: Solve for x
    x = 9,832,746,318.18/113,669.73
  6. Step 6: Final answer
    x = 86,502.77

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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.