Home / 113,669.48-156,860.28-62,684.36

Finding the Fourth Proportional to 113,669.48, 156,860.28 and 62,684.36

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Solution

The fourth proportional to 113,669.48, 156,860.28 and 62,684.36 is: 86,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,669.48 : 156,860.28 = 62,684.36 : x
  2. Step 2: Convert to fraction form
    113,669.48/156,860.28 = 62,684.36/x
  3. Step 3: Cross multiply
    113,669.48x = 156,860.28 × 62,684.36
  4. Step 4: Simplify right side
    113,669.48x = 9,832,685,476.92
  5. Step 5: Solve for x
    x = 9,832,685,476.92/113,669.48
  6. Step 6: Final answer
    x = 86,502.43

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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.