Home / 55,612.26-76,750.32-31,742.46

Finding the Fourth Proportional to 55,612.26, 76,750.32 and 31,742.46

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Solution

The fourth proportional to 55,612.26, 76,750.32 and 31,742.46 is: 43,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.26 : 76,750.32 = 31,742.46 : x
  2. Step 2: Convert to fraction form
    55,612.26/76,750.32 = 31,742.46/x
  3. Step 3: Cross multiply
    55,612.26x = 76,750.32 × 31,742.46
  4. Step 4: Simplify right side
    55,612.26x = 2,436,243,962.59
  5. Step 5: Solve for x
    x = 2,436,243,962.59/55,612.26
  6. Step 6: Final answer
    x = 43,807.68

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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.