Home / 108,665.96-162,965.18-52,471.13

Finding the Fourth Proportional to 108,665.96, 162,965.18 and 52,471.13

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Solution

The fourth proportional to 108,665.96, 162,965.18 and 52,471.13 is: 78,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,665.96 : 162,965.18 = 52,471.13 : x
  2. Step 2: Convert to fraction form
    108,665.96/162,965.18 = 52,471.13/x
  3. Step 3: Cross multiply
    108,665.96x = 162,965.18 × 52,471.13
  4. Step 4: Simplify right side
    108,665.96x = 8,550,966,068.07
  5. Step 5: Solve for x
    x = 8,550,966,068.07/108,665.96
  6. Step 6: Final answer
    x = 78,690.39

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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.