Home / 53,488.40-80,232.60-50,637.20

Finding the Fourth Proportional to 53,488.40, 80,232.60 and 50,637.20

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Solution

The fourth proportional to 53,488.40, 80,232.60 and 50,637.20 is: 75,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.40 : 80,232.60 = 50,637.20 : x
  2. Step 2: Convert to fraction form
    53,488.40/80,232.60 = 50,637.20/x
  3. Step 3: Cross multiply
    53,488.40x = 80,232.60 × 50,637.20
  4. Step 4: Simplify right side
    53,488.40x = 4,062,754,212.72
  5. Step 5: Solve for x
    x = 4,062,754,212.72/53,488.40
  6. Step 6: Final answer
    x = 75,955.80

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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.