Home / 108,611.02-162,916.71-29,719.36

Finding the Fourth Proportional to 108,611.02, 162,916.71 and 29,719.36

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Solution

The fourth proportional to 108,611.02, 162,916.71 and 29,719.36 is: 44,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611.02 : 162,916.71 = 29,719.36 : x
  2. Step 2: Convert to fraction form
    108,611.02/162,916.71 = 29,719.36/x
  3. Step 3: Cross multiply
    108,611.02x = 162,916.71 × 29,719.36
  4. Step 4: Simplify right side
    108,611.02x = 4,841,780,354.51
  5. Step 5: Solve for x
    x = 4,841,780,354.51/108,611.02
  6. Step 6: Final answer
    x = 44,579.09

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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.