Home / 112,958.55-169,428.65-38,077.09

Finding the Fourth Proportional to 112,958.55, 169,428.65 and 38,077.09

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Solution

The fourth proportional to 112,958.55, 169,428.65 and 38,077.09 is: 57,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.55 : 169,428.65 = 38,077.09 : x
  2. Step 2: Convert to fraction form
    112,958.55/169,428.65 = 38,077.09/x
  3. Step 3: Cross multiply
    112,958.55x = 169,428.65 × 38,077.09
  4. Step 4: Simplify right side
    112,958.55x = 6,451,349,340.67
  5. Step 5: Solve for x
    x = 6,451,349,340.67/112,958.55
  6. Step 6: Final answer
    x = 57,112.54

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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.