Home / 53,715.84-80,548.92-28,751.52

Finding the Fourth Proportional to 53,715.84, 80,548.92 and 28,751.52

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Solution

The fourth proportional to 53,715.84, 80,548.92 and 28,751.52 is: 43,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.84 : 80,548.92 = 28,751.52 : x
  2. Step 2: Convert to fraction form
    53,715.84/80,548.92 = 28,751.52/x
  3. Step 3: Cross multiply
    53,715.84x = 80,548.92 × 28,751.52
  4. Step 4: Simplify right side
    53,715.84x = 2,315,903,884.36
  5. Step 5: Solve for x
    x = 2,315,903,884.36/53,715.84
  6. Step 6: Final answer
    x = 43,113.98

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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.