Home / 123,847.12-170,910.28-67,259.60

Finding the Fourth Proportional to 123,847.12, 170,910.28 and 67,259.60

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Solution

The fourth proportional to 123,847.12, 170,910.28 and 67,259.60 is: 92,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,847.12 : 170,910.28 = 67,259.60 : x
  2. Step 2: Convert to fraction form
    123,847.12/170,910.28 = 67,259.60/x
  3. Step 3: Cross multiply
    123,847.12x = 170,910.28 × 67,259.60
  4. Step 4: Simplify right side
    123,847.12x = 11,495,357,068.69
  5. Step 5: Solve for x
    x = 11,495,357,068.69/123,847.12
  6. Step 6: Final answer
    x = 92,818.93

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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.