Home / 108,429.92-149,632.21-60,683.62

Finding the Fourth Proportional to 108,429.92, 149,632.21 and 60,683.62

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Solution

The fourth proportional to 108,429.92, 149,632.21 and 60,683.62 is: 83,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,429.92 : 149,632.21 = 60,683.62 : x
  2. Step 2: Convert to fraction form
    108,429.92/149,632.21 = 60,683.62/x
  3. Step 3: Cross multiply
    108,429.92x = 149,632.21 × 60,683.62
  4. Step 4: Simplify right side
    108,429.92x = 9,080,224,171.40
  5. Step 5: Solve for x
    x = 9,080,224,171.40/108,429.92
  6. Step 6: Final answer
    x = 83,742.79

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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.