Home / 108,567.40-162,859.20-38,437.60

Finding the Fourth Proportional to 108,567.40, 162,859.20 and 38,437.60

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Solution

The fourth proportional to 108,567.40, 162,859.20 and 38,437.60 is: 57,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,567.40 : 162,859.20 = 38,437.60 : x
  2. Step 2: Convert to fraction form
    108,567.40/162,859.20 = 38,437.60/x
  3. Step 3: Cross multiply
    108,567.40x = 162,859.20 × 38,437.60
  4. Step 4: Simplify right side
    108,567.40x = 6,259,916,785.92
  5. Step 5: Solve for x
    x = 6,259,916,785.92/108,567.40
  6. Step 6: Final answer
    x = 57,659.27

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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.