Home / 53,411.40-80,164.64-28,472.04

Finding the Fourth Proportional to 53,411.40, 80,164.64 and 28,472.04

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Solution

The fourth proportional to 53,411.40, 80,164.64 and 28,472.04 is: 42,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,411.40 : 80,164.64 = 28,472.04 : x
  2. Step 2: Convert to fraction form
    53,411.40/80,164.64 = 28,472.04/x
  3. Step 3: Cross multiply
    53,411.40x = 80,164.64 × 28,472.04
  4. Step 4: Simplify right side
    53,411.40x = 2,282,450,907.85
  5. Step 5: Solve for x
    x = 2,282,450,907.85/53,411.40
  6. Step 6: Final answer
    x = 42,733.40

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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.