Home / 108,159.50-162,341.01-54,889.72

Finding the Fourth Proportional to 108,159.50, 162,341.01 and 54,889.72

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Solution

The fourth proportional to 108,159.50, 162,341.01 and 54,889.72 is: 82,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,159.50 : 162,341.01 = 54,889.72 : x
  2. Step 2: Convert to fraction form
    108,159.50/162,341.01 = 54,889.72/x
  3. Step 3: Cross multiply
    108,159.50x = 162,341.01 × 54,889.72
  4. Step 4: Simplify right side
    108,159.50x = 8,910,852,177.56
  5. Step 5: Solve for x
    x = 8,910,852,177.56/108,159.50
  6. Step 6: Final answer
    x = 82,386.22

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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.