Home / 108,742.20-163,113.30-37,664.70

Finding the Fourth Proportional to 108,742.20, 163,113.30 and 37,664.70

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Solution

The fourth proportional to 108,742.20, 163,113.30 and 37,664.70 is: 56,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742.20 : 163,113.30 = 37,664.70 : x
  2. Step 2: Convert to fraction form
    108,742.20/163,113.30 = 37,664.70/x
  3. Step 3: Cross multiply
    108,742.20x = 163,113.30 × 37,664.70
  4. Step 4: Simplify right side
    108,742.20x = 6,143,613,510.51
  5. Step 5: Solve for x
    x = 6,143,613,510.51/108,742.20
  6. Step 6: Final answer
    x = 56,497.05

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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.