Home / 55,016.46-75,630.78-47,331.68

Finding the Fourth Proportional to 55,016.46, 75,630.78 and 47,331.68

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Solution

The fourth proportional to 55,016.46, 75,630.78 and 47,331.68 is: 65,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.46 : 75,630.78 = 47,331.68 : x
  2. Step 2: Convert to fraction form
    55,016.46/75,630.78 = 47,331.68/x
  3. Step 3: Cross multiply
    55,016.46x = 75,630.78 × 47,331.68
  4. Step 4: Simplify right side
    55,016.46x = 3,579,731,877.11
  5. Step 5: Solve for x
    x = 3,579,731,877.11/55,016.46
  6. Step 6: Final answer
    x = 65,066.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.