Home / 56,100.05-84,154.71-40,378.26

Finding the Fourth Proportional to 56,100.05, 84,154.71 and 40,378.26

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Solution

The fourth proportional to 56,100.05, 84,154.71 and 40,378.26 is: 60,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.05 : 84,154.71 = 40,378.26 : x
  2. Step 2: Convert to fraction form
    56,100.05/84,154.71 = 40,378.26/x
  3. Step 3: Cross multiply
    56,100.05x = 84,154.71 × 40,378.26
  4. Step 4: Simplify right side
    56,100.05x = 3,398,020,760.60
  5. Step 5: Solve for x
    x = 3,398,020,760.60/56,100.05
  6. Step 6: Final answer
    x = 60,570.73

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1.5x scale

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.