Home / 50,864.22-70,148.42-40,235.22

Finding the Fourth Proportional to 50,864.22, 70,148.42 and 40,235.22

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Solution

The fourth proportional to 50,864.22, 70,148.42 and 40,235.22 is: 55,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,864.22 : 70,148.42 = 40,235.22 : x
  2. Step 2: Convert to fraction form
    50,864.22/70,148.42 = 40,235.22/x
  3. Step 3: Cross multiply
    50,864.22x = 70,148.42 × 40,235.22
  4. Step 4: Simplify right side
    50,864.22x = 2,822,437,111.35
  5. Step 5: Solve for x
    x = 2,822,437,111.35/50,864.22
  6. Step 6: Final answer
    x = 55,489.64

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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.