Home / 54,586.84-81,405.43-48,539.16

Finding the Fourth Proportional to 54,586.84, 81,405.43 and 48,539.16

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Solution

The fourth proportional to 54,586.84, 81,405.43 and 48,539.16 is: 72,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,586.84 : 81,405.43 = 48,539.16 : x
  2. Step 2: Convert to fraction form
    54,586.84/81,405.43 = 48,539.16/x
  3. Step 3: Cross multiply
    54,586.84x = 81,405.43 × 48,539.16
  4. Step 4: Simplify right side
    54,586.84x = 3,951,351,191.64
  5. Step 5: Solve for x
    x = 3,951,351,191.64/54,586.84
  6. Step 6: Final answer
    x = 72,386.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.