Home / 55,953.46-77,213.35-30,459.86

Finding the Fourth Proportional to 55,953.46, 77,213.35 and 30,459.86

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Solution

The fourth proportional to 55,953.46, 77,213.35 and 30,459.86 is: 42,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.46 : 77,213.35 = 30,459.86 : x
  2. Step 2: Convert to fraction form
    55,953.46/77,213.35 = 30,459.86/x
  3. Step 3: Cross multiply
    55,953.46x = 77,213.35 × 30,459.86
  4. Step 4: Simplify right side
    55,953.46x = 2,351,907,831.13
  5. Step 5: Solve for x
    x = 2,351,907,831.13/55,953.46
  6. Step 6: Final answer
    x = 42,033.29

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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.