Home / 104,913.43-144,780.51-57,166.75

Finding the Fourth Proportional to 104,913.43, 144,780.51 and 57,166.75

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Solution

The fourth proportional to 104,913.43, 144,780.51 and 57,166.75 is: 78,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.43 : 144,780.51 = 57,166.75 : x
  2. Step 2: Convert to fraction form
    104,913.43/144,780.51 = 57,166.75/x
  3. Step 3: Cross multiply
    104,913.43x = 144,780.51 × 57,166.75
  4. Step 4: Simplify right side
    104,913.43x = 8,276,631,220.04
  5. Step 5: Solve for x
    x = 8,276,631,220.04/104,913.43
  6. Step 6: Final answer
    x = 78,890.10

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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.