Home / 55,715.96-76,887.06-30,564.92

Finding the Fourth Proportional to 55,715.96, 76,887.06 and 30,564.92

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Solution

The fourth proportional to 55,715.96, 76,887.06 and 30,564.92 is: 42,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.96 : 76,887.06 = 30,564.92 : x
  2. Step 2: Convert to fraction form
    55,715.96/76,887.06 = 30,564.92/x
  3. Step 3: Cross multiply
    55,715.96x = 76,887.06 × 30,564.92
  4. Step 4: Simplify right side
    55,715.96x = 2,350,046,453.50
  5. Step 5: Solve for x
    x = 2,350,046,453.50/55,715.96
  6. Step 6: Final answer
    x = 42,179.06

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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.