Home / 63,558.93-87,702.15-40,928.61

Finding the Fourth Proportional to 63,558.93, 87,702.15 and 40,928.61

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Solution

The fourth proportional to 63,558.93, 87,702.15 and 40,928.61 is: 56,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558.93 : 87,702.15 = 40,928.61 : x
  2. Step 2: Convert to fraction form
    63,558.93/87,702.15 = 40,928.61/x
  3. Step 3: Cross multiply
    63,558.93x = 87,702.15 × 40,928.61
  4. Step 4: Simplify right side
    63,558.93x = 3,589,527,093.51
  5. Step 5: Solve for x
    x = 3,589,527,093.51/63,558.93
  6. Step 6: Final answer
    x = 56,475.57

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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.