Home / 53,481.53-80,303.22-42,477.41

Finding the Fourth Proportional to 53,481.53, 80,303.22 and 42,477.41

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Solution

The fourth proportional to 53,481.53, 80,303.22 and 42,477.41 is: 63,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481.53 : 80,303.22 = 42,477.41 : x
  2. Step 2: Convert to fraction form
    53,481.53/80,303.22 = 42,477.41/x
  3. Step 3: Cross multiply
    53,481.53x = 80,303.22 × 42,477.41
  4. Step 4: Simplify right side
    53,481.53x = 3,411,072,398.74
  5. Step 5: Solve for x
    x = 3,411,072,398.74/53,481.53
  6. Step 6: Final answer
    x = 63,780.39

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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.