Home / 63,639.16-87,786.66-59,133.94

Finding the Fourth Proportional to 63,639.16, 87,786.66 and 59,133.94

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Solution

The fourth proportional to 63,639.16, 87,786.66 and 59,133.94 is: 81,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.16 : 87,786.66 = 59,133.94 : x
  2. Step 2: Convert to fraction form
    63,639.16/87,786.66 = 59,133.94/x
  3. Step 3: Cross multiply
    63,639.16x = 87,786.66 × 59,133.94
  4. Step 4: Simplify right side
    63,639.16x = 5,191,171,085.24
  5. Step 5: Solve for x
    x = 5,191,171,085.24/63,639.16
  6. Step 6: Final answer
    x = 81,571.96

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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.