Home / 127,562.60-176,037.18-70,977.56

Finding the Fourth Proportional to 127,562.60, 176,037.18 and 70,977.56

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Solution

The fourth proportional to 127,562.60, 176,037.18 and 70,977.56 is: 97,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,562.60 : 176,037.18 = 70,977.56 : x
  2. Step 2: Convert to fraction form
    127,562.60/176,037.18 = 70,977.56/x
  3. Step 3: Cross multiply
    127,562.60x = 176,037.18 × 70,977.56
  4. Step 4: Simplify right side
    127,562.60x = 12,494,689,505.68
  5. Step 5: Solve for x
    x = 12,494,689,505.68/127,562.60
  6. Step 6: Final answer
    x = 97,949.47

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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.