Home / 56,680.07-78,204.33-36,512.69

Finding the Fourth Proportional to 56,680.07, 78,204.33 and 36,512.69

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Solution

The fourth proportional to 56,680.07, 78,204.33 and 36,512.69 is: 50,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.07 : 78,204.33 = 36,512.69 : x
  2. Step 2: Convert to fraction form
    56,680.07/78,204.33 = 36,512.69/x
  3. Step 3: Cross multiply
    56,680.07x = 78,204.33 × 36,512.69
  4. Step 4: Simplify right side
    56,680.07x = 2,855,450,457.95
  5. Step 5: Solve for x
    x = 2,855,450,457.95/56,680.07
  6. Step 6: Final answer
    x = 50,378.39

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1.5x scale

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.