Home / 108,754.46-150,088.05-61,010.90

Finding the Fourth Proportional to 108,754.46, 150,088.05 and 61,010.90

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Solution

The fourth proportional to 108,754.46, 150,088.05 and 61,010.90 is: 84,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,754.46 : 150,088.05 = 61,010.90 : x
  2. Step 2: Convert to fraction form
    108,754.46/150,088.05 = 61,010.90/x
  3. Step 3: Cross multiply
    108,754.46x = 150,088.05 × 61,010.90
  4. Step 4: Simplify right side
    108,754.46x = 9,157,007,009.75
  5. Step 5: Solve for x
    x = 9,157,007,009.75/108,754.46
  6. Step 6: Final answer
    x = 84,198.91

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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.