Home / 108,761.32-150,088.26-61,013.80

Finding the Fourth Proportional to 108,761.32, 150,088.26 and 61,013.80

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Solution

The fourth proportional to 108,761.32, 150,088.26 and 61,013.80 is: 84,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,761.32 : 150,088.26 = 61,013.80 : x
  2. Step 2: Convert to fraction form
    108,761.32/150,088.26 = 61,013.80/x
  3. Step 3: Cross multiply
    108,761.32x = 150,088.26 × 61,013.80
  4. Step 4: Simplify right side
    108,761.32x = 9,157,455,077.99
  5. Step 5: Solve for x
    x = 9,157,455,077.99/108,761.32
  6. Step 6: Final answer
    x = 84,197.72

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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.