Home / 53,451.16-80,089.18-28,464.68

Finding the Fourth Proportional to 53,451.16, 80,089.18 and 28,464.68

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Solution

The fourth proportional to 53,451.16, 80,089.18 and 28,464.68 is: 42,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.16 : 80,089.18 = 28,464.68 : x
  2. Step 2: Convert to fraction form
    53,451.16/80,089.18 = 28,464.68/x
  3. Step 3: Cross multiply
    53,451.16x = 80,089.18 × 28,464.68
  4. Step 4: Simplify right side
    53,451.16x = 2,279,712,880.16
  5. Step 5: Solve for x
    x = 2,279,712,880.16/53,451.16
  6. Step 6: Final answer
    x = 42,650.39

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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.