Home / 108,845.46-163,331.25-45,660

Finding the Fourth Proportional to 108,845.46, 163,331.25 and 45,660

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Solution

The fourth proportional to 108,845.46, 163,331.25 and 45,660 is: 68,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,845.46 : 163,331.25 = 45,660 : x
  2. Step 2: Convert to fraction form
    108,845.46/163,331.25 = 45,660/x
  3. Step 3: Cross multiply
    108,845.46x = 163,331.25 × 45,660
  4. Step 4: Simplify right side
    108,845.46x = 7,457,704,875
  5. Step 5: Solve for x
    x = 7,457,704,875/108,845.46
  6. Step 6: Final answer
    x = 68,516.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.