Home / 112,681.48-169,009.42-29,581.96

Finding the Fourth Proportional to 112,681.48, 169,009.42 and 29,581.96

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Solution

The fourth proportional to 112,681.48, 169,009.42 and 29,581.96 is: 44,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,681.48 : 169,009.42 = 29,581.96 : x
  2. Step 2: Convert to fraction form
    112,681.48/169,009.42 = 29,581.96/x
  3. Step 3: Cross multiply
    112,681.48x = 169,009.42 × 29,581.96
  4. Step 4: Simplify right side
    112,681.48x = 4,999,629,902.06
  5. Step 5: Solve for x
    x = 4,999,629,902.06/112,681.48
  6. Step 6: Final answer
    x = 44,369.58

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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.