Home / 108,622.20-149,904.56-60,890.88

Finding the Fourth Proportional to 108,622.20, 149,904.56 and 60,890.88

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Solution

The fourth proportional to 108,622.20, 149,904.56 and 60,890.88 is: 84,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,622.20 : 149,904.56 = 60,890.88 : x
  2. Step 2: Convert to fraction form
    108,622.20/149,904.56 = 60,890.88/x
  3. Step 3: Cross multiply
    108,622.20x = 149,904.56 × 60,890.88
  4. Step 4: Simplify right side
    108,622.20x = 9,127,820,574.41
  5. Step 5: Solve for x
    x = 9,127,820,574.41/108,622.20
  6. Step 6: Final answer
    x = 84,032.74

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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.