Home / 56,440.41-84,660.75-14,320.50

Finding the Fourth Proportional to 56,440.41, 84,660.75 and 14,320.50

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Solution

The fourth proportional to 56,440.41, 84,660.75 and 14,320.50 is: 21,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.41 : 84,660.75 = 14,320.50 : x
  2. Step 2: Convert to fraction form
    56,440.41/84,660.75 = 14,320.50/x
  3. Step 3: Cross multiply
    56,440.41x = 84,660.75 × 14,320.50
  4. Step 4: Simplify right side
    56,440.41x = 1,212,384,270.38
  5. Step 5: Solve for x
    x = 1,212,384,270.38/56,440.41
  6. Step 6: Final answer
    x = 21,480.78

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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.