Home / 104,805.55-144,627.28-57,056.05

Finding the Fourth Proportional to 104,805.55, 144,627.28 and 57,056.05

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Solution

The fourth proportional to 104,805.55, 144,627.28 and 57,056.05 is: 78,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,805.55 : 144,627.28 = 57,056.05 : x
  2. Step 2: Convert to fraction form
    104,805.55/144,627.28 = 57,056.05/x
  3. Step 3: Cross multiply
    104,805.55x = 144,627.28 × 57,056.05
  4. Step 4: Simplify right side
    104,805.55x = 8,251,861,319.04
  5. Step 5: Solve for x
    x = 8,251,861,319.04/104,805.55
  6. Step 6: Final answer
    x = 78,734.97

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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.