Home / 85,037.74-127,445.28-35,059.66

Finding the Fourth Proportional to 85,037.74, 127,445.28 and 35,059.66

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Solution

The fourth proportional to 85,037.74, 127,445.28 and 35,059.66 is: 52,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,037.74 : 127,445.28 = 35,059.66 : x
  2. Step 2: Convert to fraction form
    85,037.74/127,445.28 = 35,059.66/x
  3. Step 3: Cross multiply
    85,037.74x = 127,445.28 × 35,059.66
  4. Step 4: Simplify right side
    85,037.74x = 4,468,188,185.40
  5. Step 5: Solve for x
    x = 4,468,188,185.40/85,037.74
  6. Step 6: Final answer
    x = 52,543.59

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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.