Home / 53,816.95-80,725.49-25,730.40

Finding the Fourth Proportional to 53,816.95, 80,725.49 and 25,730.40

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Solution

The fourth proportional to 53,816.95, 80,725.49 and 25,730.40 is: 38,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,816.95 : 80,725.49 = 25,730.40 : x
  2. Step 2: Convert to fraction form
    53,816.95/80,725.49 = 25,730.40/x
  3. Step 3: Cross multiply
    53,816.95x = 80,725.49 × 25,730.40
  4. Step 4: Simplify right side
    53,816.95x = 2,077,098,817.43
  5. Step 5: Solve for x
    x = 2,077,098,817.43/53,816.95
  6. Step 6: Final answer
    x = 38,595.63

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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.