Home / 108,619.29-163,016.96-56,043.81

Finding the Fourth Proportional to 108,619.29, 163,016.96 and 56,043.81

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Solution

The fourth proportional to 108,619.29, 163,016.96 and 56,043.81 is: 84,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,619.29 : 163,016.96 = 56,043.81 : x
  2. Step 2: Convert to fraction form
    108,619.29/163,016.96 = 56,043.81/x
  3. Step 3: Cross multiply
    108,619.29x = 163,016.96 × 56,043.81
  4. Step 4: Simplify right side
    108,619.29x = 9,136,091,252.80
  5. Step 5: Solve for x
    x = 9,136,091,252.80/108,619.29
  6. Step 6: Final answer
    x = 84,111.13

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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.