Home / 108,116.91-162,175.37-55,492.83

Finding the Fourth Proportional to 108,116.91, 162,175.37 and 55,492.83

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Solution

The fourth proportional to 108,116.91, 162,175.37 and 55,492.83 is: 83,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.91 : 162,175.37 = 55,492.83 : x
  2. Step 2: Convert to fraction form
    108,116.91/162,175.37 = 55,492.83/x
  3. Step 3: Cross multiply
    108,116.91x = 162,175.37 × 55,492.83
  4. Step 4: Simplify right side
    108,116.91x = 8,999,569,960.13
  5. Step 5: Solve for x
    x = 8,999,569,960.13/108,116.91
  6. Step 6: Final answer
    x = 83,239.25

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1.5x scale

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.