Home / 53,280.27-79,894.48-28,332.27

Finding the Fourth Proportional to 53,280.27, 79,894.48 and 28,332.27

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Solution

The fourth proportional to 53,280.27, 79,894.48 and 28,332.27 is: 42,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280.27 : 79,894.48 = 28,332.27 : x
  2. Step 2: Convert to fraction form
    53,280.27/79,894.48 = 28,332.27/x
  3. Step 3: Cross multiply
    53,280.27x = 79,894.48 × 28,332.27
  4. Step 4: Simplify right side
    53,280.27x = 2,263,591,978.87
  5. Step 5: Solve for x
    x = 2,263,591,978.87/53,280.27
  6. Step 6: Final answer
    x = 42,484.62

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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.