Home / 50,457.20-75,685.80-34,905.20

Finding the Fourth Proportional to 50,457.20, 75,685.80 and 34,905.20

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Solution

The fourth proportional to 50,457.20, 75,685.80 and 34,905.20 is: 52,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,457.20 : 75,685.80 = 34,905.20 : x
  2. Step 2: Convert to fraction form
    50,457.20/75,685.80 = 34,905.20/x
  3. Step 3: Cross multiply
    50,457.20x = 75,685.80 × 34,905.20
  4. Step 4: Simplify right side
    50,457.20x = 2,641,827,986.16
  5. Step 5: Solve for x
    x = 2,641,827,986.16/50,457.20
  6. Step 6: Final answer
    x = 52,357.80

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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.