Home / 113,059.02-156,037.68-67,738.80

Finding the Fourth Proportional to 113,059.02, 156,037.68 and 67,738.80

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Solution

The fourth proportional to 113,059.02, 156,037.68 and 67,738.80 is: 93,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,059.02 : 156,037.68 = 67,738.80 : x
  2. Step 2: Convert to fraction form
    113,059.02/156,037.68 = 67,738.80/x
  3. Step 3: Cross multiply
    113,059.02x = 156,037.68 × 67,738.80
  4. Step 4: Simplify right side
    113,059.02x = 10,569,805,197.98
  5. Step 5: Solve for x
    x = 10,569,805,197.98/113,059.02
  6. Step 6: Final answer
    x = 93,489.27

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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.