Home / 92,515.57-127,673.81-56,725.31

Finding the Fourth Proportional to 92,515.57, 127,673.81 and 56,725.31

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Solution

The fourth proportional to 92,515.57, 127,673.81 and 56,725.31 is: 78,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.57 : 127,673.81 = 56,725.31 : x
  2. Step 2: Convert to fraction form
    92,515.57/127,673.81 = 56,725.31/x
  3. Step 3: Cross multiply
    92,515.57x = 127,673.81 × 56,725.31
  4. Step 4: Simplify right side
    92,515.57x = 7,242,336,451.13
  5. Step 5: Solve for x
    x = 7,242,336,451.13/92,515.57
  6. Step 6: Final answer
    x = 78,282.35

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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.