Home / 50,955.17-76,349.53-30,970.78

Finding the Fourth Proportional to 50,955.17, 76,349.53 and 30,970.78

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Solution

The fourth proportional to 50,955.17, 76,349.53 and 30,970.78 is: 46,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.17 : 76,349.53 = 30,970.78 : x
  2. Step 2: Convert to fraction form
    50,955.17/76,349.53 = 30,970.78/x
  3. Step 3: Cross multiply
    50,955.17x = 76,349.53 × 30,970.78
  4. Step 4: Simplify right side
    50,955.17x = 2,364,604,143.35
  5. Step 5: Solve for x
    x = 2,364,604,143.35/50,955.17
  6. Step 6: Final answer
    x = 46,405.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.