Home / 96,037.60-144,056.40-72,709.60

Finding the Fourth Proportional to 96,037.60, 144,056.40 and 72,709.60

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Solution

The fourth proportional to 96,037.60, 144,056.40 and 72,709.60 is: 109,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,037.60 : 144,056.40 = 72,709.60 : x
  2. Step 2: Convert to fraction form
    96,037.60/144,056.40 = 72,709.60/x
  3. Step 3: Cross multiply
    96,037.60x = 144,056.40 × 72,709.60
  4. Step 4: Simplify right side
    96,037.60x = 10,474,283,221.44
  5. Step 5: Solve for x
    x = 10,474,283,221.44/96,037.60
  6. Step 6: Final answer
    x = 109,064.40

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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.