Home / 53,153.28-79,752.96-28,500.48

Finding the Fourth Proportional to 53,153.28, 79,752.96 and 28,500.48

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Solution

The fourth proportional to 53,153.28, 79,752.96 and 28,500.48 is: 42,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.28 : 79,752.96 = 28,500.48 : x
  2. Step 2: Convert to fraction form
    53,153.28/79,752.96 = 28,500.48/x
  3. Step 3: Cross multiply
    53,153.28x = 79,752.96 × 28,500.48
  4. Step 4: Simplify right side
    53,153.28x = 2,272,997,641.42
  5. Step 5: Solve for x
    x = 2,272,997,641.42/53,153.28
  6. Step 6: Final answer
    x = 42,763.07

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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.