Home / 53,406.15-80,156.75-28,466.79

Finding the Fourth Proportional to 53,406.15, 80,156.75 and 28,466.79

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Solution

The fourth proportional to 53,406.15, 80,156.75 and 28,466.79 is: 42,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406.15 : 80,156.75 = 28,466.79 : x
  2. Step 2: Convert to fraction form
    53,406.15/80,156.75 = 28,466.79/x
  3. Step 3: Cross multiply
    53,406.15x = 80,156.75 × 28,466.79
  4. Step 4: Simplify right side
    53,406.15x = 2,281,805,227.00
  5. Step 5: Solve for x
    x = 2,281,805,227.00/53,406.15
  6. Step 6: Final answer
    x = 42,725.51

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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.