Home / 53,404.65-80,154.50-28,465.29

Finding the Fourth Proportional to 53,404.65, 80,154.50 and 28,465.29

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Solution

The fourth proportional to 53,404.65, 80,154.50 and 28,465.29 is: 42,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,404.65 : 80,154.50 = 28,465.29 : x
  2. Step 2: Convert to fraction form
    53,404.65/80,154.50 = 28,465.29/x
  3. Step 3: Cross multiply
    53,404.65x = 80,154.50 × 28,465.29
  4. Step 4: Simplify right side
    53,404.65x = 2,281,620,944.98
  5. Step 5: Solve for x
    x = 2,281,620,944.98/53,404.65
  6. Step 6: Final answer
    x = 42,723.26

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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.