Home / 50,445.68-69,575.29-31,314.65

Finding the Fourth Proportional to 50,445.68, 69,575.29 and 31,314.65

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Solution

The fourth proportional to 50,445.68, 69,575.29 and 31,314.65 is: 43,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,445.68 : 69,575.29 = 31,314.65 : x
  2. Step 2: Convert to fraction form
    50,445.68/69,575.29 = 31,314.65/x
  3. Step 3: Cross multiply
    50,445.68x = 69,575.29 × 31,314.65
  4. Step 4: Simplify right side
    50,445.68x = 2,178,725,428.84
  5. Step 5: Solve for x
    x = 2,178,725,428.84/50,445.68
  6. Step 6: Final answer
    x = 43,189.54

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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.