Home / 78,255.57-117,392.67-24,928.82

Finding the Fourth Proportional to 78,255.57, 117,392.67 and 24,928.82

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Solution

The fourth proportional to 78,255.57, 117,392.67 and 24,928.82 is: 37,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,255.57 : 117,392.67 = 24,928.82 : x
  2. Step 2: Convert to fraction form
    78,255.57/117,392.67 = 24,928.82/x
  3. Step 3: Cross multiply
    78,255.57x = 117,392.67 × 24,928.82
  4. Step 4: Simplify right side
    78,255.57x = 2,926,460,152.79
  5. Step 5: Solve for x
    x = 2,926,460,152.79/78,255.57
  6. Step 6: Final answer
    x = 37,396.19

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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.