Home / 53,519.90-80,256.60-28,554.39

Finding the Fourth Proportional to 53,519.90, 80,256.60 and 28,554.39

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Solution

The fourth proportional to 53,519.90, 80,256.60 and 28,554.39 is: 42,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.90 : 80,256.60 = 28,554.39 : x
  2. Step 2: Convert to fraction form
    53,519.90/80,256.60 = 28,554.39/x
  3. Step 3: Cross multiply
    53,519.90x = 80,256.60 × 28,554.39
  4. Step 4: Simplify right side
    53,519.90x = 2,291,678,256.47
  5. Step 5: Solve for x
    x = 2,291,678,256.47/53,519.90
  6. Step 6: Final answer
    x = 42,819.18

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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.