Home / 108,775.12-150,112.24-61,031.96

Finding the Fourth Proportional to 108,775.12, 150,112.24 and 61,031.96

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Solution

The fourth proportional to 108,775.12, 150,112.24 and 61,031.96 is: 84,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,775.12 : 150,112.24 = 61,031.96 : x
  2. Step 2: Convert to fraction form
    108,775.12/150,112.24 = 61,031.96/x
  3. Step 3: Cross multiply
    108,775.12x = 150,112.24 × 61,031.96
  4. Step 4: Simplify right side
    108,775.12x = 9,161,644,227.19
  5. Step 5: Solve for x
    x = 9,161,644,227.19/108,775.12
  6. Step 6: Final answer
    x = 84,225.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.