Home / 55,612.98-76,748.31-31,741.47

Finding the Fourth Proportional to 55,612.98, 76,748.31 and 31,741.47

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Solution

The fourth proportional to 55,612.98, 76,748.31 and 31,741.47 is: 43,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.98 : 76,748.31 = 31,741.47 : x
  2. Step 2: Convert to fraction form
    55,612.98/76,748.31 = 31,741.47/x
  3. Step 3: Cross multiply
    55,612.98x = 76,748.31 × 31,741.47
  4. Step 4: Simplify right side
    55,612.98x = 2,436,104,179.42
  5. Step 5: Solve for x
    x = 2,436,104,179.42/55,612.98
  6. Step 6: Final answer
    x = 43,804.60

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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.