Home / 108,775.08-150,112.26-61,029.72

Finding the Fourth Proportional to 108,775.08, 150,112.26 and 61,029.72

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Solution

The fourth proportional to 108,775.08, 150,112.26 and 61,029.72 is: 84,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,775.08 : 150,112.26 = 61,029.72 : x
  2. Step 2: Convert to fraction form
    108,775.08/150,112.26 = 61,029.72/x
  3. Step 3: Cross multiply
    108,775.08x = 150,112.26 × 61,029.72
  4. Step 4: Simplify right side
    108,775.08x = 9,161,309,196.37
  5. Step 5: Solve for x
    x = 9,161,309,196.37/108,775.08
  6. Step 6: Final answer
    x = 84,222.50

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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.