Home / 56,233.81-77,600.28-30,739.72

Finding the Fourth Proportional to 56,233.81, 77,600.28 and 30,739.72

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Solution

The fourth proportional to 56,233.81, 77,600.28 and 30,739.72 is: 42,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,233.81 : 77,600.28 = 30,739.72 : x
  2. Step 2: Convert to fraction form
    56,233.81/77,600.28 = 30,739.72/x
  3. Step 3: Cross multiply
    56,233.81x = 77,600.28 × 30,739.72
  4. Step 4: Simplify right side
    56,233.81x = 2,385,410,879.12
  5. Step 5: Solve for x
    x = 2,385,410,879.12/56,233.81
  6. Step 6: Final answer
    x = 42,419.51

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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.