Home / 96,619.80-144,929.70-57,156.60

Finding the Fourth Proportional to 96,619.80, 144,929.70 and 57,156.60

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Solution

The fourth proportional to 96,619.80, 144,929.70 and 57,156.60 is: 85,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,619.80 : 144,929.70 = 57,156.60 : x
  2. Step 2: Convert to fraction form
    96,619.80/144,929.70 = 57,156.60/x
  3. Step 3: Cross multiply
    96,619.80x = 144,929.70 × 57,156.60
  4. Step 4: Simplify right side
    96,619.80x = 8,283,688,891.02
  5. Step 5: Solve for x
    x = 8,283,688,891.02/96,619.80
  6. Step 6: Final answer
    x = 85,734.90

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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.