Home / 53,890.45-80,800.47-25,809.59

Finding the Fourth Proportional to 53,890.45, 80,800.47 and 25,809.59

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Solution

The fourth proportional to 53,890.45, 80,800.47 and 25,809.59 is: 38,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.45 : 80,800.47 = 25,809.59 : x
  2. Step 2: Convert to fraction form
    53,890.45/80,800.47 = 25,809.59/x
  3. Step 3: Cross multiply
    53,890.45x = 80,800.47 × 25,809.59
  4. Step 4: Simplify right side
    53,890.45x = 2,085,427,002.51
  5. Step 5: Solve for x
    x = 2,085,427,002.51/53,890.45
  6. Step 6: Final answer
    x = 38,697.52

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1.5x scale

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.