Home / 53,405.22-80,155.98-28,466.04

Finding the Fourth Proportional to 53,405.22, 80,155.98 and 28,466.04

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Solution

The fourth proportional to 53,405.22, 80,155.98 and 28,466.04 is: 42,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.22 : 80,155.98 = 28,466.04 : x
  2. Step 2: Convert to fraction form
    53,405.22/80,155.98 = 28,466.04/x
  3. Step 3: Cross multiply
    53,405.22x = 80,155.98 × 28,466.04
  4. Step 4: Simplify right side
    53,405.22x = 2,281,723,332.92
  5. Step 5: Solve for x
    x = 2,281,723,332.92/53,405.22
  6. Step 6: Final answer
    x = 42,724.72

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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.