Home / 45,378.07-62,621.43-25,234.78

Finding the Fourth Proportional to 45,378.07, 62,621.43 and 25,234.78

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Solution

The fourth proportional to 45,378.07, 62,621.43 and 25,234.78 is: 34,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.07 : 62,621.43 = 25,234.78 : x
  2. Step 2: Convert to fraction form
    45,378.07/62,621.43 = 25,234.78/x
  3. Step 3: Cross multiply
    45,378.07x = 62,621.43 × 25,234.78
  4. Step 4: Simplify right side
    45,378.07x = 1,580,238,009.34
  5. Step 5: Solve for x
    x = 1,580,238,009.34/45,378.07
  6. Step 6: Final answer
    x = 34,823.83

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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.