Home / 104,913.56-144,778.88-57,167.30

Finding the Fourth Proportional to 104,913.56, 144,778.88 and 57,167.30

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Solution

The fourth proportional to 104,913.56, 144,778.88 and 57,167.30 is: 78,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.56 : 144,778.88 = 57,167.30 : x
  2. Step 2: Convert to fraction form
    104,913.56/144,778.88 = 57,167.30/x
  3. Step 3: Cross multiply
    104,913.56x = 144,778.88 × 57,167.30
  4. Step 4: Simplify right side
    104,913.56x = 8,276,617,666.62
  5. Step 5: Solve for x
    x = 8,276,617,666.62/104,913.56
  6. Step 6: Final answer
    x = 78,889.88

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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.