Home / 53,403.04-80,152.98-28,464.04

Finding the Fourth Proportional to 53,403.04, 80,152.98 and 28,464.04

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Solution

The fourth proportional to 53,403.04, 80,152.98 and 28,464.04 is: 42,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.04 : 80,152.98 = 28,464.04 : x
  2. Step 2: Convert to fraction form
    53,403.04/80,152.98 = 28,464.04/x
  3. Step 3: Cross multiply
    53,403.04x = 80,152.98 × 28,464.04
  4. Step 4: Simplify right side
    53,403.04x = 2,281,477,628.84
  5. Step 5: Solve for x
    x = 2,281,477,628.84/53,403.04
  6. Step 6: Final answer
    x = 42,721.87

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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.