Home / 108,124.40-162,096.96-66,483.92

Finding the Fourth Proportional to 108,124.40, 162,096.96 and 66,483.92

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Solution

The fourth proportional to 108,124.40, 162,096.96 and 66,483.92 is: 99,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,124.40 : 162,096.96 = 66,483.92 : x
  2. Step 2: Convert to fraction form
    108,124.40/162,096.96 = 66,483.92/x
  3. Step 3: Cross multiply
    108,124.40x = 162,096.96 × 66,483.92
  4. Step 4: Simplify right side
    108,124.40x = 10,776,841,320.88
  5. Step 5: Solve for x
    x = 10,776,841,320.88/108,124.40
  6. Step 6: Final answer
    x = 99,670.76

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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.