Home / 108,581.10-162,828.45-38,424.30

Finding the Fourth Proportional to 108,581.10, 162,828.45 and 38,424.30

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Solution

The fourth proportional to 108,581.10, 162,828.45 and 38,424.30 is: 57,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,581.10 : 162,828.45 = 38,424.30 : x
  2. Step 2: Convert to fraction form
    108,581.10/162,828.45 = 38,424.30/x
  3. Step 3: Cross multiply
    108,581.10x = 162,828.45 × 38,424.30
  4. Step 4: Simplify right side
    108,581.10x = 6,256,569,211.34
  5. Step 5: Solve for x
    x = 6,256,569,211.34/108,581.10
  6. Step 6: Final answer
    x = 57,621.16

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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.