Home / 53,008.62-73,152.45-28,809.57

Finding the Fourth Proportional to 53,008.62, 73,152.45 and 28,809.57

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Solution

The fourth proportional to 53,008.62, 73,152.45 and 28,809.57 is: 39,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.62 : 73,152.45 = 28,809.57 : x
  2. Step 2: Convert to fraction form
    53,008.62/73,152.45 = 28,809.57/x
  3. Step 3: Cross multiply
    53,008.62x = 73,152.45 × 28,809.57
  4. Step 4: Simplify right side
    53,008.62x = 2,107,490,903.27
  5. Step 5: Solve for x
    x = 2,107,490,903.27/53,008.62
  6. Step 6: Final answer
    x = 39,757.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.