Home / 108,871.01-150,239.77-61,124.34

Finding the Fourth Proportional to 108,871.01, 150,239.77 and 61,124.34

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Solution

The fourth proportional to 108,871.01, 150,239.77 and 61,124.34 is: 84,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.01 : 150,239.77 = 61,124.34 : x
  2. Step 2: Convert to fraction form
    108,871.01/150,239.77 = 61,124.34/x
  3. Step 3: Cross multiply
    108,871.01x = 150,239.77 × 61,124.34
  4. Step 4: Simplify right side
    108,871.01x = 9,183,306,783.00
  5. Step 5: Solve for x
    x = 9,183,306,783.00/108,871.01
  6. Step 6: Final answer
    x = 84,350.34

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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.