Home / 55,900.28-77,112.66-42,449.24

Finding the Fourth Proportional to 55,900.28, 77,112.66 and 42,449.24

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Solution

The fourth proportional to 55,900.28, 77,112.66 and 42,449.24 is: 58,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900.28 : 77,112.66 = 42,449.24 : x
  2. Step 2: Convert to fraction form
    55,900.28/77,112.66 = 42,449.24/x
  3. Step 3: Cross multiply
    55,900.28x = 77,112.66 × 42,449.24
  4. Step 4: Simplify right side
    55,900.28x = 3,273,373,811.38
  5. Step 5: Solve for x
    x = 3,273,373,811.38/55,900.28
  6. Step 6: Final answer
    x = 58,557.38

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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.